It connects the Indian state of Sikkim with China's Tibet Autonomous Region.
The road between Tumlong and Chumbi via Cho La was kept in good condition.
[4][6] The first Europeans to visit the Chola Pass were Archibald Campbell (Darjeeling superintendent) and Joseph Dalton Hooker (botanist) in 1849, who attempted to travel to Chumbi in order to visit the Dewan who was staying there.
[10] On the Chinese side, there is a border outpost at 4,783 metres (15,692 ft) above sea level.
[11] Cho La is part of the Bharat Ranbhoomi Darshan initiative of the Indian Military which will boost border tourism, patriotism, local infrastructure and economy while reversing civilian outward migration from these remote locations, it entails 77 battleground war memorials in border area including the Longewala War Memorial, Sadhewala War Memorial,[12] Siachen base camp, Kargil, Galwan, Pangong Tso, Rezang La, Doklam, Bum La, Kibithu, etc.