Devistan I is a mountain of the Garhwal Himalaya located in the Chamoli district of Uttarakhand, India.

It stands on the western rim of the Nanda Devi Sanctuary.

Its nearest higher neighbor Devtoli 6,932 metres (22,743 ft) lies 6.6 km SSW.

In 1961 A nine-member team comprising Gurdial Singh and Hari Dang of The Doon School, Major John D. Dias, Captain K. N. Thadani and Lieutenant (Dr.) N. Sharma of the Indian Army, and Suman Dubey, of Delhi and three sherpa from Darjeeling Kalden, Nima and Lhakpa.

They attempt Devistan I (21,910 feet) on the western rim of the Nanda Devi Sanctuary.