Traveling to Tibet for the first time is an exciting adventure, but it requires careful preparation due to its unique altitude, climate, culture, and travel regulations. Here are key things to pay attention to:

1. Altitude Sickness

• Why it matters: Tibet is located on the Qinghai-Tibet Plateau, with an average elevation of over 4,000 meters (13,000 feet). Lhasa, the capital, sits at 3,650 meters (11,975 feet), and many areas are even higher. The thin air can cause altitude sickness (headaches, nausea, dizziness, shortness of breath).
• What to do:
  
  • Acclimatize gradually: If possible, ascend slowly (e.g., stop in lower-altitude cities like Xining before flying to Lhasa).
  • Stay hydrated and avoid overexertion for the first few days.
  • Bring altitude sickness medication (e.g., Diamox), but consult a doctor first.
  • Watch for severe symptoms (e.g., confusion, difficulty breathing) and descend immediately if they occur.

2. Tibet Entry Permit

• Why it matters: Foreign travelers need a Tibet Travel Permit (TTP) in addition to a Chinese visa. You can’t enter Tibet without it, and it’s only obtainable through a registered travel agency.
• What to do:
  
  • Book a tour with a licensed agency (like HelloChinaTrip.com) to handle the permit.
  • Provide required documents (passport, Chinese visa) at least 15 days in advance.
  • Check visa-specific requirements (e.g., L visa holders need only the visa copy, while residence permit holders need additional proof).

3. Weather and Packing

• Why it matters: Tibet’s high altitude means extreme weather—cold nights, strong UV rays, and sudden changes, even in spring or summer.
• What to do:
  
  • Pack layers: thermal clothing, a windproof jacket, and a hat.
  • Bring sunscreen, sunglasses, and lip balm to protect against UV exposure.
  • Check the forecast for your travel dates (e.g., April is cool and dry in Lhasa, with daytime temps around 10-15°C/50-59°F).

4. Cultural Sensitivity

• Why it matters: Tibet has a rich Buddhist heritage, and respecting local customs is essential.
• What to do:
  
  • Dress modestly, especially at monasteries (e.g., Potala Palace, Jokhang Temple).
  • Ask permission before photographing people or religious sites.
  • Walk clockwise around temples, stupas, or prayer wheels, following local pilgrims.
  • Avoid political discussions, as they’re sensitive in the region.

5. Travel Logistics

• Why it matters: Tibet’s infrastructure is improving, but travel can still be challenging due to remote areas and limited public transport.
• What to do:
  
  • Arrange a private guide and driver through your agency for convenience and safety.
  • Confirm flight or train schedules (e.g., Xi’an to Lhasa flights) and keep buffer time for delays.
  • Carry cash (Chinese Yuan), as ATMs and card payments may not be widely available outside Lhasa.

6. Food and Water

• Why it matters: Tibetan cuisine (e.g., tsampa, yak butter tea) might be unfamiliar, and hygiene standards vary.
• What to do:
  
  • Try local dishes but start with small portions to adjust.
  • Drink bottled or boiled water only to avoid stomach issues.
  • Bring snacks, especially for kids, if traveling with family.

7. Health Precautions

• Why it matters: Medical facilities are limited outside Lhasa, and the altitude can worsen pre-existing conditions.
• What to do:
  
  • Consult a doctor if you have heart, lung, or blood pressure issues.
  • Carry a basic first-aid kit, including medications for colds or stomach upset.
  • Purchase travel insurance that covers high-altitude regions.

8. Timing and Itinerary

• Why it matters: Your trip (e.g., April 17-20) coincides with spring, a good time for clear skies, but some roads to remote sites (e.g., Karola Glacier) may still be affected by weather.
• What to do:
  
  • Plan a flexible schedule in case of road closures or delays.
  • Prioritize must-see sites (e.g., Potala Palace tickets often require advance booking).

Bonus Tips:

• For families: If traveling with kids (like Dormann’s 7- and 12-year-olds), keep activities light to avoid overexertion. Hands-on experiences like thangka painting are great for engagement.
• Language: Learn basic Mandarin or Tibetan phrases, though a German-speaking guide (as requested) will help immensely.

By preparing for these aspects, your first trip to Tibet can be both safe and unforgettable. Let me know if you’d like more specific advice!