A foreigner must obtain a permit before going on a river trip. A fee of Rs. 80 (equivalent payable on cash in any convertible foreign currency) must be deposited at the Nepal Rastra Bank, Thapathali, Kathmandu. A copy of documents must be submitted to the Ministry of Tourism, Mountaineering Section, located at Tripureswor behind the Dastrath Stadium. This process could be completed in a day, except on Friday and other half-working days. We are ready to assist you for this work.