Atal I

 Atal I is a mountain of the Garhwal Himalaya in Uttarakhand India. Earlier it was known as P.6566. It was rename after a team from N.I.M. Nehru Institute of Mountaineering climb four unnamed peaks and named it after former Prime Minister Atal Bihari Vajpayee According to Colonel Amit Bisht, principal N.I.M. The peak lies above the Shyamvarn Glacier. The elevation of Atal I is 6566 m. It is joint 72nd highest located entirely within the Uttrakhand. Nanda Devi, is the highest mountain in this category. It lies 5.7 km ENE of Sudarshan Parbat 6507 m. Swetvarn 6340 m lies 5 km west and it is 5.6 km ESE of Chaturbhuj 6654 m. It lies 3.1 km SE of Yogeshwar 6678 m.

Climbing history
Atal I was climbed by Nehru Institute of Mountaineering led by Colonel Amit Bisht, principal N.I.M.in October 2018. The expedition was flagged off from Dehradun on October 4 by Chief Minister of Uttarakhand Trivendra Singh Rawat. The expedition was jointly conducted by N.I.M. and the tourism department of Uttarakhand.

Neighboring and subsidiary peaks
Neighboring or subsidiary peaks of Atal I:
 * Sudarshan Parbat 6507 m30.97694°N, 79.09333°W
 * Yogeshwar 6678 m30.99889°N, 79.1175°W
 * Chaturbhuj 6654 m30.99472°N, 79.09361°W
 * Matri 6721 m31.01472°N, 79.06972°W
 * Swetvarn 6340 m30.98667°N, 79.09833°W
 * Kalidhang 6373 m31.04444°N, 79.02222°W
 * Shyamvarn 6135 m30.97611°N, 79.12778°W

Glaciers and rivers
Shyamvarn bamak on the western side. Nilamber Glacier on the eastern side both these Glaciers are tributaries of Raktvarn Bamak which drain itself at Gangotri Glacier. From the snout of Gangotri Glacier which was called Gomukh emerges Bhagirathi river. one of the main tributaries of river Ganga that later joins Alaknanda River the other main tributaries of river Ganga at Devprayag and became Ganga there after.