Mountaineers ascending a steep snow ridge on K2, one of the world's deadliest peaks in the Karakoram range.

Most Dangerous Mountains to Climb: The World’s Deadliest Peaks

By the measure most sources use, the ratio of deaths to successful summits, Annapurna I in Nepal is the most dangerous eight thousander for which current, consistent…

Two backpackers walking along a valley stream with a campsite tent and sharp granite mountain peaks in the background. Things to Do on a Mountain

Things to Do on a Mountain: 29 Activities & Experiences

A mountain offers far more than a single trail to the top. Between the base and the summit, you can hike, climb, camp, fish, photograph wildlife, ski,…

Infographic map showing Gangkhar Puensum at 7,570 meters on the Bhutan Tibet border, labeled as the world's highest unclimbed mountain.

Highest Unclimbed Mountain: Gangkhar Puensum at 7,570m

Gangkhar Puensum, rising 7,570 meters (24,836 ft) on the border between Bhutan and Tibet, is the highest unclimbed mountain in the world. It has never been summited,…