A. The Langtang Valley Trek price depends on the services. Mainly, the trekking companies offer a variety of services that make an impact on prices. The everyday things that are included in costs are: Guide and porters Meals & accommodations Booking fees of the respective agencies. National Park entry permit fee (foreigners): NPR 3,000 National Park entry permit fee (SAARC nationals): 200 NPR TIMS Card: NPR 2,000 As a local trekking agency, we offer the Langtang Valley Trek for $999.00, including the abovementioned services and a customized plan.