17. Mt. Rainier’s Muir Snowfield, Washington State
The unexpected and often extremely harsh storms that sweep across this expanse, creating a snowy nightmare, have claimed countless lives – even during warmer months and make this Washington’s deadliest mountain to climb.
18. Maroon Bells South Ridge, Colorado
Nicknamed the Deadly Bells for a reason, hikers here are often beguiled by an unassuming but often highly unstable terrain, one where the ground can give way quite suddenly making it perhaps the most dangerous climb in the world.