Chat with us on WhatsApp!
    Travel Guide

    The Ultimate Tanzania Travel Guide

    Everything you need to know before visiting Tanzania, visas, safety, packing, safari tips, Kilimanjaro preparation, Zanzibar advice, and expert recommendations from our local team.

    30 min read July 29, 2026 Travel Guide

    So you are planning a trip to Tanzania. Excellent choice. Whether you are dreaming of watching lions stalk zebras across the Serengeti, standing atop Africa's highest peak, or floating in the warm turquoise waters of Zanzibar, Tanzania delivers experiences that stay with you for a lifetime.

    But a trip to East Africa comes with questions. Do I need a visa? What shots do I need? Is it safe? What should I pack? How do I avoid looking like a first-time tourist?

    This guide answers all of that and more. Written by the local team at Masatu Tours, a Tanzania-based tour operator with years of experience guiding travelers across the country, this is the only Tanzania travel tips article you need to read.

    Local Expert's Note

    We have helped thousands of travelers plan their perfect Tanzania trip. From first-time safari-goers to seasoned Kilimanjaro climbers, every traveler has questions. This guide collects the most important answers in one place. Bookmark it, share it, and refer back to it as you plan.

    Why Tanzania Is One of Africa's Best Destinations

    Tanzania is not just another African country. It is a destination that checks every box. World-class wildlife. The tallest mountain on the continent. Pristine tropical islands. Warm, welcoming people. And a level of safety that makes it ideal for all types of travelers.

    Wildlife

    The Serengeti, Ngorongoro Crater, Tarangire, and Ruaha offer some of the best game viewing on Earth. The Great Migration is a once-in-a-lifetime spectacle.

    Kilimanjaro

    Mount Kilimanjaro, the Roof of Africa, draws climbers from every corner of the globe. No technical skills required, just determination and a good guide.

    Zanzibar

    White-sand beaches, turquoise waters, spice plantations, and Stone Town's winding alleys make Zanzibar the perfect beach escape after safari.

    Tanzania also offers incredible value. Compared to Botswana or Kenya, safari prices are more competitive without compromising quality. The country protects over 30 percent of its land, one of the highest percentages in the world, ensuring wildlife thrives for generations to come.

    Serengeti sunset with acacia trees silhouetted against golden sky, Tanzania travel tips
    The Serengeti at sunset, one of Africa's most iconic views and a highlight of any Tanzania trip

    Before You Travel to Tanzania

    Good preparation is the secret to a stress-free trip. Here is everything you need to arrange before your departure.

    Traveler's Checklist

    • Passport valid 6+ months beyond your travel dates
    • Visa obtained (e-visa recommended)
    • Travel insurance purchased (medical evacuation included)
    • Vaccinations up to date (consult travel clinic)
    • Malaria prophylaxis packed
    • Bank notified of travel plans
    • Copies of documents saved (digital + physical)
    • Universal power adapter packed

    Visa Requirements

    Visa Options

    • E-visa: Apply online at visa.tanzania.go.tz, recommended
    • Visa on arrival: Available at JNIA, KIA, and select border crossings
    • Single-entry: $50 USD (most nationalities)
    • Multiple-entry: $100 USD

    Passport Requirements

    • Valid for at least 6 months beyond your arrival date
    • At least 2 blank pages for visa stamps
    • Carry a photocopy separate from the original
    • Store a digital copy in your email or cloud

    We recommend applying for an e-visa at least two weeks before your trip. It saves you from waiting in the visa-on-arrival queue, which can take 30–60 minutes at busy times. For detailed step-by-step instructions, see our complete Tanzania visa guide.

    Pro Tip

    Apply for your e-visa on the official Tanzania Immigration website only. Third-party sites charge extra fees and sometimes cause delays.

    Tanzania e-visa application process and passport requirements, travel advice Tanzania
    Getting your Tanzania visa sorted before arrival saves time and stress at the airport

    Visa on Arrival vs. E-Visa

    E-VisaOn Arrival
    Processing time3–10 days30–60 min at airport
    ConvenienceSkip the queueWait in line
    CostSame as on arrivalSame as e-visa
    ReliabilityRecommendedAlways available

    Visa Exemptions

    • East African citizens (Kenya, Uganda, Rwanda, Burundi, South Sudan)
    • Some Commonwealth countries (check before traveling)
    • Diplomatic passport holders

    Health Advice

    Staying healthy in Tanzania is mostly about common sense. Here is what you need to know.

    Required Vaccinations

    • Yellow Fever (required if arriving from endemic country)
    • Routine: MMR, DTaP, Polio

    Recommended Vaccinations

    • Hepatitis A & B
    • Typhoid
    • Tetanus
    • Rabies

    Malaria Prevention

    • Take prophylaxis (consult your doctor)
    • Use DEET-based mosquito repellent
    • Sleep under mosquito nets
    • Wear long sleeves at dawn/dusk

    Other Health Tips

    • Pack a basic first-aid kit
    • Bring diarrhea medication
    • Hand sanitizer is your friend
    • Know your blood type

    Visit a travel clinic or your doctor 4–6 weeks before departure. For official guidance, check the CDC and WHO travel health recommendations. Carry your Yellow Fever certificate if you are arriving from a country with Yellow Fever risk.

    Important

    Tanzania requires proof of Yellow Fever vaccination if you are arriving from or transiting through a country with Yellow Fever risk. If you are traveling directly from the US, UK, or Europe, it is not required, but we recommend getting the vaccine anyway for your protection.

    Is Tanzania Safe? (Yes, Here Is Why)

    This is the question we hear most often. The short answer is: Tanzania is a safe and stable country for travelers. Violent crime against tourists is rare. The Tanzanian people are famously warm and welcoming.

    Low Crime Rate

    Tourist areas in Arusha, Moshi, Zanzibar, and all national parks are well-policed. The Tourism Police in Arusha and Zanzibar specifically assist travelers.

    Political Stability

    Tanzania is one of East Africa's most politically stable nations. Elections are peaceful. The country has never experienced a coup or major civil conflict.

    Friendly Locals

    Tanzanians are genuinely warm and helpful. If you look lost, someone will offer directions. The concept of 'pole pole' (slowly, carefully) reflects the national character.

    Safety Tips

    • Use registered taxis only (white license plates)
    • Do not display large amounts of cash
    • Store valuables in hotel safes
    • Avoid walking alone at night in cities
    • Keep copies of your documents separate
    • Trust your instincts

    Emergency Numbers

    • Police: 112
    • Ambulance: 115
    • Fire: 114
    • Tourism Police (Arusha): +255 754 733 728
    • Tourism Police (Zanzibar): +255 777 419 138
    • Masatu Tours 24hr: +255 767 150 150

    Money & Payments

    Currency

    The Tanzanian Shilling (TZS) is the official currency. US dollars are widely accepted at hotels, lodges, and tour operators. Smaller bills ($1, $5, $10) are useful for tips. Exchange rates fluctuate, so check current rates before your trip.

    Cards & ATMs

    Visa and Mastercard are accepted at upscale hotels, safari operators, and larger restaurants in cities. ATMs are available in Arusha, Moshi, Dar es Salaam, and Zanzibar Town. Carry cash for markets, small shops, and remote areas.

    Tipping Guide

    Safari guide: $20–30/day per vehicle. Kilimanjaro crew: $200–300 per climber shared. Hotel porter: $1–2 per bag. Waiter: 10% of bill. Tip in USD when possible. Tipping is a meaningful part of income for service staff.

    Scams to Avoid

    Never exchange money on the street. Do not accept help from unofficial airport porters. Verify taxi prices before getting in. Use only recommended souvenir shops. If an offer seems too good to be true, it is.

    Tanzanian Shilling banknotes and US dollars, currency in Tanzania travel tips
    Carry a mix of Tanzanian Shillings and small US dollar bills for tips, markets, and daily expenses

    We recommend bringing a mix of payment methods: a credit card for hotels and major bookings, an ATM card for withdrawing TZS as needed, and about $200–$400 in small US dollar bills for tips and emergencies. Notify your bank before departure to prevent your card from being blocked.

    Packing Checklist

    Packing for Tanzania means preparing for a wide range of conditions. You might need a fleece jacket at dawn on safari and a swimsuit by noon. Here is your complete packing checklist for Tanzania.

    Clothing

    • Lightweight long pants (3 pairs)
    • Short-sleeve shirts (4–5)
    • Long-sleeve shirt for sun protection
    • Fleece or warm jacket
    • Rain jacket (if traveling Nov–May)
    • Wide-brimmed hat
    • Swimsuit
    • Comfortable walking shoes
    • Sandals or flip-flops
    • Underwear and socks (1 pair per day)
    • Pajamas

    Gear & Accessories

    • Sunscreen (SPF 50+)
    • Insect repellent (DEET 30%+)
    • Sunglasses
    • Headlamp or flashlight
    • Reusable water bottle
    • Power bank
    • Universal power adapter
    • Binoculars (safari essential)
    • Camera with zoom lens
    • Dry bag for electronics
    • Notebook and pen

    Health & Toiletries

    • Prescription medications
    • Malaria prophylaxis
    • First-aid kit
    • Diarrhea medication
    • Antihistamines
    • Motion sickness tablets
    • Lip balm with SPF
    • Hand sanitizer
    • Wet wipes
    • Toilet paper (small roll)
    • Menstrual products

    Documents

    • Passport (6+ months validity)
    • Visa (print e-visa approval)
    • Travel insurance documents
    • Flight itineraries
    • Hotel confirmations
    • Yellow Fever certificate
    • Drivers license (if driving)
    • Emergency contact list
    • Copies (digital + physical)
    Tanzania packing checklist with safari clothing, gear, and travel essentials, packing list Tanzania
    Packing smart means layering, mornings are cool, afternoons are hot, and evenings are mild

    Packing Pro Tip

    Pack in a soft-sided duffel bag for safari, not a hard suitcase. Safari vehicles have limited space, and soft bags are easier to store. A 60–80 liter duffel is ideal. Keep a small daypack for daily essentials.

    Airport Arrival Guide

    Most international visitors arrive at one of two airports. Here is what to expect.

    Julius Nyerere Int'l (DAR)

    Dar es Salaam

    Main entry for Zanzibar + southern parks. Use terminal 3. Taxis to city: $30–40.

    Kilimanjaro Int'l (KIA)

    Arusha / Moshi

    Best for Kilimanjaro climbs + northern safari circuit. Smaller, faster, less crowded.

    Customs Rules

    Customs Quick Guide

    • Duty-free: 1L alcohol, 200 cigarettes, 250ml perfume
    • Declare amounts over $10,000 USD
    • Prohibited: Narcotics, wildlife products, ivory, unlicensed firearms
    • Red/green channel system, declare if unsure

    Getting Around Tanzania

    Domestic Flights

    Precision Air, Coastal Aviation, and Auric Air connect Arusha, Dar, Serengeti, Zanzibar, and more. Flights are reliable and save hours of driving.

    Safari Vehicle

    Your safari vehicle is your transport for game drives. Masatu Tours provides 4x4 Land Cruisers with pop-up roofs for great wildlife viewing.

    Private Transfers

    Pre-booked transfers are the safest option between airports, hotels, and parks. Prices are reasonable and drivers are professional.

    Kilimanjaro International Airport exterior, Travel to Tanzania airport guide
    Kilimanjaro International Airport (KIA), the main gateway for Kilimanjaro climbers and northern safari visitors

    Safari Tips Tanzania

    A Tanzania safari is the experience of a lifetime. Here is how to make the most of it.

    Wildlife Safety

    Stay inside your vehicle at all times during game drives. Animals are wild and unpredictable. Do not stand up or make sudden movements. Listen to your guide, their experience keeps you safe.

    Safari Photography

    Bring a camera with at least 200–400mm zoom lens. A beanbag or window mount helps stabilize shots. Shoot during golden hour (dawn and dusk). Be patient, wildlife moves on its own schedule.

    Game Drive Etiquette

    Wear neutral colors (khaki, olive, beige). No bright colors or strong perfume. Stay quiet when animals are near. Do not ask your driver to off-road where prohibited. Share sightings courteously with other vehicles.

    What to Wear on Safari

    Layer up. Morning game drives start at 6 AM and temperatures can be 10–15°C (50–60°F). By midday, it reaches 30°C (85°F). A fleece, a scarf, a hat, and sunglasses are essential.

    Masatu Tours Safari Tip

    The best wildlife viewing is in the early morning (6–9 AM) and late afternoon (4–6 PM). Animals are most active during cooler hours. Midday is for resting, lunch, and transferring between parks. A good safari itinerary balances game drives with travel time.

    Best Parks for Safari

    Serengeti National Park

    The crown jewel. Endless plains, the Great Migration, big cats in abundance. Best for first-time safari-goers. Visit June–October for prime viewing.

    Ngorongoro Crater

    A natural amphitheater teeming with wildlife. Highest density of predators in Africa. Permanent water means animals stay year-round. A UNESCO World Heritage Site.

    Tarangire National Park

    Famous for elephant herds and ancient baobab trees. Less crowded than Serengeti. Excellent during dry season (June–October) when wildlife concentrates along the river.

    Lake Manyara National Park

    Compact but diverse. Tree-climbing lions, flamingos, and lush groundwater forest. Great for a day trip.

    Ruaha National Park

    Tanzania's largest park. Remote, wild, and uncrowded. Exceptional for experienced safari-goers seeking solitude.

    Explore our complete safari packages to find the perfect itinerary for your budget and timeline.

    Kilimanjaro Preparation Tips

    Climbing Kilimanjaro is a physical challenge, but thousands of people of all ages and fitness levels reach the summit every year. The key is preparation and choosing the right route.

    Route Selection

    Longer routes = higher success rates. The Lemosho (7–8 days) and Northern Circuit (9 days) have the best acclimatization. Machame (6–7 days) is popular but tougher. Marangu (5–6 days) is the only route with hut accommodation.

    Altitude Sickness

    Pole pole (slowly) is the golden rule. Climb high, sleep low. Stay hydrated (3–4 liters daily). Diamox helps but consult your doctor. If you feel severe symptoms, descend immediately, the mountain will always be there.

    Training

    Start training 2–3 months before your climb. Focus on cardio (hiking, running, cycling) and leg strength. Practice hiking hills with a weighted pack. Mental preparation is just as important as physical fitness.

    Gear for Kilimanjaro

    Invest in good boots, a warm sleeping bag (rated to -10°C/14°F), thermal layers, a waterproof jacket, trekking poles, a headlamp, and a 30–40L daypack. Rent bulky gear in Moshi to save luggage space.

    Mountain Safety

    Never climb without a licensed guide, it is illegal and dangerous. Choose a company that prioritizes safety over speed. Masatu Tours follows all park regulations, carries oxygen and first-aid kits, and trains guides in wilderness first aid. Your safety is non-negotiable.

    Ready to climb? Explore our Kilimanjaro climbing packages and start preparing for the adventure of a lifetime.

    Zanzibar Travel Tips

    Zanzibar is the perfect way to end a Tanzania trip. White-sand beaches, crystal-clear water, historic Stone Town, and world-class seafood await.

    Beach Etiquette

    Swimwear is fine on the beach and at pools. Cover up when walking to restaurants or shops in beach towns. In Stone Town, dress modestly, shoulders and knees covered.

    Marine Conservation

    Do not touch coral, step on it, or collect shells. Use reef-safe sunscreen to protect marine life. Do not feed fish or turtles. Respect the ocean, it is Zanzibar's most precious resource.

    Best Beaches

    Nungwi and Kendwa (north), lively, sunset views, high tide swimming. Paje and Jambiani (east), kitesurfing, laid-back, low-tide pools. Michamvi, quiet luxury.

    Beach Boys & Vendors

    Friendly vendors will approach you on the beach. A polite 'No, asante' (no, thank you) usually works. Book excursions through your hotel or a licensed operator, not strangers on the beach.

    White sand beach and turquoise water in Zanzibar, Zanzibar travel guide tips
    Zanzibar's northern beaches offer powder-soft sand, clear water, and spectacular sunsets

    Browse our Tanzania + Zanzibar packages to combine safari with beach relaxation.

    Culture & Etiquette

    Tanzanians are warm, polite, and respectful. Showing respect for their culture will make your trip richer and more enjoyable.

    Greetings

    Always greet people before asking questions. 'Jambo' (hello), 'Habari' (how are you), and 'Asante' (thank you) go a long way. Handshakes are the standard greeting. Use your right hand for handshakes and giving/receiving items.

    Dress Code

    Tanzanians dress modestly. Outside beach areas, avoid revealing clothing. In Zanzibar and other Muslim-majority areas, cover shoulders and knees. This is especially important for women.

    Photography Rules

    Always ask permission before photographing people. Some Maasai and locals may expect a small tip. Do not take photos of government buildings, military installations, or bridges. National parks allow photography freely.

    Dos and Don'ts

    Do use your right hand for eating and handshakes. Do remove shoes before entering a mosque or someone's home. Don't point with your finger (use your chin or whole hand). Don't show public affection. Don't refuse food or drink when offered in someone's home.

    Useful Swahili Phrases

    HelloJambo
    How are you?Habari
    Good / FineNzuri
    Thank youAsante
    Thank you very muchAsante sana
    YesNdiyo
    NoHapana
    PleaseTafadhali
    Sorry / Excuse meSamahani
    GoodbyeKwaheri
    How much?Shilingi ngapi?
    Delicious!Tamu!

    Staying Connected

    Internet

    Most hotels, lodges, and camps offer Wi-Fi. Speeds vary, city hotels have fast connections, remote safari camps have satellite-based limited access. Cell data is more reliable than lodge Wi-Fi in many areas.

    SIM Cards

    Buy a local SIM at the airport arrivals hall. Vodacom, Airtel, and Tigo offer tourist packages. A 15–30 GB data plan costs $10–$20. Your phone must be unlocked. Bring ID for registration.

    Electricity

    230V / 50Hz. Plug types G (UK-style) and D (round 3-pin). Bring a universal adapter. Power outages happen briefly in remote areas, lodges have generators or solar backup. Charge devices whenever you can.

    Food Safety

    Food

    Eat at reputable restaurants and hotels. Street food is tempting but be cautious with anything that has been sitting out. Stick to freshly cooked meals. Most lodges cater to Western tastes while offering local specialties like nyama choma (grilled meat) and ugali.

    Drinking Water

    Do not drink tap water. Bottled water is available everywhere. Many lodges provide refillable drinking water to reduce plastic waste. Bring a reusable bottle with a filter or purification tablets for added safety. Avoid ice in remote areas.

    Photography Tips

    Tanzania is a photographer's paradise. Capture it well with these tips.

    Camera Gear

    A DSLR or mirrorless camera with a 200–400mm zoom lens is ideal for safari. A 24–70mm lens works for landscapes and people shots. Bring extra memory cards (64GB+ each) and batteries. A beanbag or window mount stabilizes shots in vehicles.

    Golden Hours

    The best light is at sunrise (6–7:30 AM) and sunset (5:30–7 PM). Midday sun creates harsh shadows. Plan your game drives around these times. Cloudy days are actually great for even lighting across landscapes.

    Photographing People

    Always ask permission before photographing locals. A smile, a greeting, and showing the photo afterward builds trust. Be prepared to offer a small tip when photographing Maasai in traditional settings.

    Safari Photography Tips

    Shoot at a fast shutter speed (1/500+) for moving animals. Use continuous shooting mode. Focus on the eyes. Include environmental shots (animals in the landscape), not just close-ups. Be patient, the best shots come to those who wait.

    Budget & Luxury Travel Tips

    Budget Travel Tips

    • Travel during shoulder season (Jan–Feb, Jun, Nov) for lower prices
    • Join group departures instead of private tours
    • Stay at tented camps and budget lodges
    • Use shared shuttle buses between cities
    • Book Kilimanjaro group climbs (cheaper than private)
    • Eat at local restaurants for affordable meals

    Luxury Travel Tips

    • Book private safari with premium lodge accommodation
    • Fly between parks (bush flights) to save time
    • Stay at Singita, Four Seasons, or &Beyond lodges
    • Add a hot air balloon safari over the Serengeti
    • Book a private villa in Zanzibar
    • Hire a private guide and vehicle throughout

    Solo Travelers

    Group departures are perfect for solo travelers. You will meet like-minded adventurers and avoid single supplements on most tours.

    Family Travel

    Many lodges offer family tents, kids' programs, and babysitting. Safaris are suitable for children 6+. Kilimanjaro is recommended for teens 12+.

    Senior Travelers

    Tanzania is very accessible for seniors. Private safaris with flexible schedules, comfortable lodges, and shorter game drives work well. Your guide will adjust the pace.

    Digital Nomads

    Arusha and Zanzibar have good co-working spaces and cafes. SIM card data is affordable. Plan work around game drives, mornings and evenings are best.

    Responsible Tourism

    Travel responsibly. Your choices as a visitor directly impact Tanzania's communities, wildlife, and environment.

    Environment

    • Bring a reusable water bottle
    • Say no to plastic bags (banned in Tanzania)
    • Use reef-safe sunscreen in Zanzibar
    • Stay on designated trails
    • Do not litter, pack it in, pack it out

    Communities

    • Buy souvenirs from local artisans
    • Tip fairly, it supports families
    • Respect local customs and dress codes
    • Learn a few Swahili words
    • Support lodges that employ locals

    Wildlife

    • Do not feed wild animals
    • Do not touch coral or marine life
    • Stay inside vehicles during game drives
    • Do not buy ivory or wildlife products
    • Choose responsible tour operators

    Hidden Gems & Local Insider Tips

    Beyond the famous attractions, Tanzania has treasures that most tourists miss.

    Lake Natron

    A surreal red lake in the Rift Valley, home to hundreds of thousands of flamingos. The landscape is otherworldly, think Mars meets Africa. Best visited as a day trip or overnight from Arusha.

    Mto Wa Mbu Village

    A vibrant village near Lake Manyara offering cultural tours, banana beer tastings, and local crafts. Most safari itineraries skip it, but it is one of the most authentic experiences in Tanzania.

    Chemka Hot Springs

    A crystal-clear natural pool near Moshi, perfect for a relaxing afternoon after your Kilimanjaro climb. The water is a perfect 30°C year-round. A hidden gem loved by locals.

    Udzungwa Mountains

    A biodiversity hotspot with hiking trails, waterfalls, and rare primates. Far less visited than Kilimanjaro but equally stunning for nature lovers.

    Common Mistakes Tourists Make

    Learn from others' mistakes. Here is what to avoid.

    Overpacking

    Stick to a 60–80L soft duffel plus daypack. You need surprisingly little for a safari or climb.

    Skipping travel insurance

    Never travel to Tanzania without comprehensive coverage including medical evacuation.

    Booking the cheapest Kilimanjaro operator

    Cheap climbs cut corners on safety, equipment, and porter welfare. Choose a responsible operator.

    Rushing the itinerary

    Do not try to see everything in 5 days. Tanzania is big. Focus on one or two regions per trip.

    Forgetting mosquito repellent

    Malaria is real. Use DEET repellent every evening, even if you are on prophylaxis.

    Not bringing enough small USD bills

    Small USD bills ($1, $5, $10) are essential for tips, souvenirs, and small purchases.

    Wearing bright colors on safari

    Khaki, olive, and neutral tones help you blend in. White and bright colors show dust and scare wildlife.

    Expecting Wi-Fi everywhere

    Safari camps and mountain routes have limited connectivity. Download maps and entertainment before you go.

    Frequently Asked Questions

    Still have questions? Here are answers to the most common ones travelers ask about Tanzania.

    Most nationalities need a visa. You can get an e-visa online before travel or a visa on arrival at major airports and border crossings. We recommend the e-visa to skip queues. Single-entry visas cost $50–$100 depending on nationality. Check Tanzania Immigration for the latest requirements.

    Final Thoughts

    Tanzania is a country that rewards good preparation. The more you plan ahead, the more you will relax and enjoy the incredible experiences waiting for you. From the roar of a lion at dawn in the Serengeti to the silent summit of Kilimanjaro at sunrise, every moment in Tanzania is a memory in the making.

    At Masatu Tours, we have been helping travelers explore Tanzania for years. Our team is based in Moshi, right at the foot of Kilimanjaro. We know the roads, the parks, the mountains, and the hidden gems. We are here to help you plan the perfect trip.

    Bookmark this guide, share it with your travel companions, and when you are ready, reach out to us. We would love to help you discover Tanzania.

    Ready to Explore Tanzania?

    Let the experts at Masatu Tours craft your perfect Tanzania itinerary. Whether you want a luxury safari, a Kilimanjaro climb, a Zanzibar beach holiday, or a combination, we have the experience and local knowledge to make it unforgettable.

    Or contact us for a free personalized quote

    More Tanzania Travel Resources

    Last updated: July 29, 2026. All information verified against official sources including Tanzania Immigration, TANAPA, CDC, and WHO guidelines.

    Deborah - Travel Expert
    Personal Travel Expert

    Ready to plan your dream adventure?

    Reply in 3hrs
    Free consultation