Formed and registered with the Kathmandu CDO Office in 1979 by a handful of trekking
agents TAAN has become an umbrella organization of more than 900 trekking agencies in
Since the inception of TAAN not only the trekking agencies have been increasing, and so has the TAAN members. TAAN limited its membership only to Nepalese trekking agents at its initial phase. Nevertheless, it opened its associate membership to foreign organizations to broaden the scope of the Association.