A full-circuit Himalayan trek that climbs from subtropical valleys to Thorong La Pass (5,416 m), the Annapurna Circuit delivers dramatic geology, diverse cultures and long days of high‑altitude walking. Read on for what to expect, how to prepare and key practical tips.
More ways to explore the area's outdoor wonders
The trail opens like a map under your boots: subtropical valley, terraced rice paddies, then thin alpine air and prayer flags snapping at 5,416 m. On this 22-day loop you start below 1,000 m and climb steadily through forests, river gorges and high pastures, cresting Thorong La at dawn and descending into the dry, Tibetan‑style landscapes of the Kali Gandaki.
Difficulty
challenging
Duration
22 days
Fitness Level
Good aerobic fitness with prior multi-day trekking experience recommended; ability to hike 4–8 hours daily at altitude.
Wildlife
History
The route opened to foreign trekkers in 1977 and bridges lowland Nepali cultures with Tibetan‑influenced villages in Mustang, reflecting centuries of trade and pilgrimage.
Conservation
The trek runs through the Annapurna Conservation Area (ACAP); stick to trails, use teahouses rather than camping to limit impact, and pack out waste when possible.
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Prioritize acclimatization
Schedule at least one full rest/acclimatization day in Manang and watch for headache, nausea, or fatigue—descending is the safest response to bad symptoms.
Hydrate and carry electrolytes
Altitude increases fluid loss—drink regularly and use electrolyte packets to avoid headaches and cramps.
Layer for rapid weather shifts
Temperatures change with elevation; pack a warm midlayer and waterproof shell to handle wind, snow or rain.
Sturdy boots and gaiters
Trails include scree, wet stone steps and snow patches near the pass—protect ankles and keep debris out of boots.
Mountaineering or sturdy trekking boots
Supportive, waterproof boots reduce blisters and protect ankles on uneven, rocky trails.
Warm insulated down jacket
Critical for cold mornings at Thorong Phedi and the pass; temperatures can drop well below freezing.
winter
Trekking poles
Help with balance on steep ascents/descents and reduce knee strain on long downhill stretches.
High‑SPF sun protection and sunglasses
Solar exposure intensifies with elevation—protect skin and eyes, especially on snow-glare days.
summer