The Annapurna Conservation Area is the largest by its boundaries covering 7,629km2 (2946 sq. mi) across the Manang, Mustang, Kaski, Myagdi and Lamjung districts. The initial range of an altitude is from 790m (2590 ft.) to the peak of Annapurna at 8091m (26535 ft.).
Approximately, 50000 visitors visit the Annapurna region every year. Within the altitude range of 1000-8000m, the conservation area has entire habitat of gradient sub-tropical sal forest tocontinually recurring snow harbouring 22 different forest types with 1426 species of plants including 55 endemics.Many rare and endangered species of Mammals like snow leopard, musk deer, Tibetan argali and Tibetan wolf are found. As per analytical data 478 species of birds are found in Annapurna region, among those 38 breeding species belong to the group that are at high risk in Nepal.
Annapurna Conservation Area Project (ACAP) carries out several activities which help to improvise the conservation of resources, Community development, tourism management, education and extensions. ACAP is a non-profit organisation which is supported by various trust and the fees that had been collected from the tourist trekkers. That money is utilized for the protection of Natural and Cultural heritage; provide educations to sustain the economy and social benefits of Tourism.