The sanctuary is named after the Churdhar Peak. Churdhar (elevation of 3,647 metres; 11,965 feet) is the highest peak in Sirmour district and is also the highest peak in the outer Himalayas.
The peak has a great religious significance for the people of Sirmour, Shimla, Chaupal and Solan of Himachal Pradesh and Dehradun of Uttrakhand. Churdhar is a holy place related with Shri Shirgul Maharaj (Chureshwar Maharaj), a deity widely worshipped in Sirmour and Chaupal. The place can be approached by lots of routes but the main routes are from Nohradhar, Sirmour of 14 km and Sarahan, Chaupal of 8 km.
#courtesy : https://en.wikipedia.org/wiki/Churdhar_Sanctuary