TAAN was founded in 1978 with the goal of promoting mountain tourism and trekking in Nepal.

TAAN oversees the volunteer effort to build, maintain, protect, and promote the trekking trail in Nepal.

TAAN is registered as a non profit organization at the Kathamandu district admission office and also listed with the Social Welfare Council.

[4] TAAN has been lobbying for the establishment of a One Trekker, One Guide system since 2012 for the safety of travelers and to increase employment in the tourism industry.

[7] The World Food Programme (WFP) collaborated with TAAN after the 2015 earthquake to open community trails, reconstruct trekking trails, and distribute relief materials in several Village Development Committees (VDCs) in the Rasuwa, Dhading, and Gorkha Districts.