Langtang is a region in Nepal to the north of Kathmandu and bordering Tibet. It is protected as Langtang National Park and has a number of high peaks including Langtang Lirung (7246m). As of 2008, the entrance ticket to the park cost 1000 Nepali Rupees for foreigners.

About 4,500 people live inside the park, and many more depend on it for timber and firewood. The majority of the residents are Tamang.The park contains a wide variety of climatic zones, from subtropical to alpine. Approximately 25% of the park is forested. Trees include the deciduous Oak and Maple, and evergreens like Pine, and various types of Rhododendron. Animal life includes Himalayan black bear, the goat-like Himalayan tahr, Rhesus monkeys and Red Pandas. There are also stories of Yeti sightings.

Gosainkunda Lake
Kyanjin GompaThe park contains the Gosainkunda lakes, sacred to Hindus. Pilgrimages are made there in August. Another spiritual site is the Buddhist monastery Kyanjin Gompa.

Popular activities for tourists in the park include trekking, climbing, and white-water rafting

In the north-central Nepal are two lovely regions where one may experience Tamang and Sherpa life, temperate forest and alpine pastures, glaciers, lakes and snowy peaks. Helambu valley noted for its scenic grandeur and pleasant climate, lie in the north of the Kathmandu Valley. One can stay in highland monastery villages and small settlements in pristine forests. Above Helambu is a mountain pass through the lakes of Gosainkunda reaching the valley of Langtang. Gosaikunda lake itself is situated at 4,380 meters. It is sacred to Lord Shiva and every summer there throng thousands of Hindu devotees to take a holy dip into the waters of the holy lake. Nearby are other lakes including Nagkunda, Bhairavkunda, Saraswatikunda and Suryakunda. The trek passes through a varied landscape ranging from evergreen forests, cascading waterfalls and turbulent streams to sub-alpine grasslands and stark, beautiful mountainsides. Langtang valley stretches north of Gosainkunda . One travels through pristine forests to the village of Ghoda Tabela, then the valley opens out into a high, Himalayan river plain full of beautiful camping sites, spectacular peaks and wide glaciers. One can hike to the back of the valley or take numerous optional trips to explore glacier-filled side canyons.