FAQ
Annapurna Circuit FAQ
Find answers regarding altitude sickness, trail safety, required permits, and essential gear for the trek.
How difficult is the Annapurna Circuit with Tilicho Lake?
The trek is strenuous. It requires very good physical fitness, stamina, and strict adherence to altitude acclimatization rules.
How many days does the Annapurna Circuit and Tilicho Lake trek take?
It typically takes 12 to 16 days. This depends on where you use motorized transport and how many rest days you take.
Is a guide mandatory for the Annapurna Circuit in 2026?
Yes. Nepal's 2023 rule calls for foreign trekkers to use a licensed guide through a registered agency; enforcement on this route varies, so confirm before you go.
How much does the Annapurna Circuit trek cost?
Guided tours range from $590 to $1,900. You also need to budget for permits, gear, and personal expenses.
Do I need oxygen for the Thorong La Pass?
Supplemental oxygen is generally not used. However, you must acclimatize properly and descend immediately if severe altitude sickness symptoms appear.
When is the best time to visit Tilicho Lake?
October to November and March to May are best. Start your hike from Base Camp before sunrise to avoid freezing winds.
What is the risk of altitude sickness on the Annapurna Circuit?
The risk is high above 3,000 meters. Follow the rule to not increase your sleeping elevation by more than 500m per day.
How cold is Tilicho Lake and Thorong La Pass?
Temperatures regularly drop below freezing. You need a sleeping bag rated to at least -15°C (5°F) for the teahouses.
What permits are required for the Annapurna Circuit?
You need the Annapurna Conservation Area Permit (ACAP) and a TIMS Card. The ACAP costs NPR 3,000; a TIMS card, where required, costs about NPR 2,000.
Are there teahouses at Tilicho Base Camp?
Yes. There are specific mountain lodges built for trekkers at the base camp before the final hike to the lake.
Is the landslide trail to Tilicho Lake dangerous?
The trail between Shree Kharka and Base Camp features narrow scree paths and falling rocks. You must walk briskly and stay alert.