Sechu Tuan Nala Sanctuary, a high altitude sanctuary, is around 113 km from Chamba, Himachal Pradesh.
This sanctuary is rich in high-altitude Himalayan wildlife and is one of the last homes of Himalayan thar in Himachal Pradesh. It is connected to the west with Tundah Sanctuary.
Inhabitants include bear, Himalayan black bear, brown cat, leopard, deer, musk fox, Indian/red goral, ibex, common langur, leopard, Himalayan yellow throated marten and serow.
From Chamba to Sach Pass (open from June to October) via Sathraundi (75 km), Kilar (25 km) and by foot to Sechu (15 km).