One can enjoy activities such as -
Tirthan valley, located 50 km south of Kullu, at an altitude of 1100 m, is barely a 35-km drive from Aut on NH21. The scenic locale derives its name from River Tirthan, a tributary of the Beas in Himachal Pradesh. Best known as a ‘buffer zone’ of the Great Himalayan National Park (GHNP), a UNESCO world heritage site, the valley resembles a picture-perfect painting that is bound to appeal to nature lovers, trekkers, bird watchers, adventure enthusiasts, and just about anyone who wishes to disconnect from the mundane. Tirthan Valley is also known for its brown and rainbow trout. Perfect for a short break, the valley is surrounded by little-known, picturesque hamlets and homestays.