langtang trek permit and cost for 2024/2025 Langtang trek is situated in Langtang national park. It is one of the most beautiful national park in Nepal, It is situated central north part of Nepal. Langtang National park is full of dense forest and home for many kinds of wild animal. Langtang trek require to obtain the Langtang national park permits which cost NPR3000 per person. easily you can obtain the trekking permit in Langtang national park office in dhunce or in tourism board in Kathmandu. we offre 7 days langtang trek plan and 8 days langtang trek plan and 11 days langtang trek plan and we can combine the the Gosainkunda and Helambu trek with Langtang valley trek. TIMS card also necessary for the Langtang trek with you get from an authorized trekking company or tourism board It cost you $20 USD per person. we are planning sincerley Langtang valley trek for our valuable guests. It cist you in total 450-600 USD per langtang trek with your trekking guide.