The Nanda Devi peak is the second-highest mountain in India and the 23rd-highest in the world. The peak has an elevation of 7,816 meters (25,643 ft) and is located in the Chamoli district of Uttarakhand. It is the highest mountain located entirely within India.

Nanda Devi is encompassed by Nanda Devi National Park, a high-altitude national park and a UNESCO World Heritage Site. Many other peaks with elevations above 6,500 meters are also located within the park.
Nanda Devi is revered as a goddess in Uttarakhand. In local traditions, she is considered an avatar of Goddess Durga, and is believed in folklore to be associated with Lord Shiva. Various interesting stories about Nanda Devi are prevalent in different parts of Uttarakhand.
Nuclear device
In the 1960s, the CIA conducted a joint operation involving Indian intelligence agencies to place a nuclear-powered device on Nanda Devi to monitor Chinese activity in the Indo-Tibetan region. The expedition was abandoned due to severe weather conditions, and the device was lost during the retreat. Despite later efforts, it was never recovered, and its fate remains unknown.
(Also read: Major mountain ranges in the world)
Mountaineering
Nanda Devi was first successfully scaled by Noel Odell and Bill Tilman, two English mountaineers, in 1936. Due to its remote location and surrounding high peaks, it took several decades to establish a suitable route for the ascent.
The Government of India currently does not allow climbing of the main peak. However, climbing Nanda Devi East, also known as Sunanda Devi (7,434 meters), is permitted with proper authorization.
(Disclaimer: The disputed regions are not considered while ranking Nanda Devi’s elevation in India.)
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I want to go Nanda devi summit at 2023.
Can you send me information about the mountain, region, price and so on please ?
The peak is located in the Uttarakhand state of Northern India, 500 km from the capital New Delhi. As far as I know, the government does not allow expeditions to the Nanda Devi main peak.