The Annapurna Conservation Area receives more trekking permits than any other protected area in Nepal, drawing roughly 170,000 visitors annually to a landscape that rises from subtropical sal forest at 1000 meters to the permanent ice of Thorung La at 5416 meters. The conservation area wraps around the Annapurna Massif — Annapurna I stands at 8091 meters as the tenth highest peak on earth, while Dhaulagiri at 8167 meters anchors the western horizon across the Kali Gandaki gorge, the deepest river valley measured from surrounding summits. Machhapuchhre, the iconic fishtail summit at 6993 meters, remains unclimbed under a ban imposed in 1957 after a British expedition turned back 50 meters below the top out of respect for local belief in the mountain's sanctity. Annapurna South and Gangapurna complete the amphitheater visible from most points along the trail network.
Three routes define the experience spectrum. Poon Hill, accessible from Pokhara in four to five days round trip, delivers Himalayan panorama for minimal altitude exposure — the viewpoint sits at 3210 meters above the rhododendron forest between Ghorepani and Ghandruk, both Gurung villages with electricity and guesthouses built for volume. The Annapurna Sanctuary route pushes 40 kilometers north into the glacial cirque directly beneath Annapurna's south face, reaching Annapurna Base Camp at 4130 meters where eight-thousanders rise on three sides and afternoon clouds frequently close the view by 2 PM. The Annapurna Circuit, traditionally walked counterclockwise from Besisahar to Nayapul, crosses climate zones from rice terraces through pine forest to high desert on the Tibetan plateau side of Thorung La before dropping into Mustang's lower reaches and exiting through the Kali Gandaki valley — the full traverse takes 15 to 21 days depending on acclimatization pace and whether you add the Tilicho Lake detour at 4919 meters.
Permits funnel through the Nepal Tourism Board system at ntb.gov.np: the Annapurna Conservation Area Project entry permit runs 3000 rupees for foreign nationals, while the Trekkers' Information Management System card adds another 2000 rupees and exists primarily as a registration layer for emergency response coordination. Both are theoretically obtainable in Kathmandu or Pokhara, though many trekkers arrange them through agencies to avoid the Nepal Tourism Board's unpredictable office hours. The road now reaches Manang at 3519 meters on the Circuit's north side, cutting the traditional trek's length by half and creating a foot traffic split between purists starting from Besisahar and pragmatists riding jeeps to higher trailheads.