Mount Everest Nepal Everest Uttarakhand Everest Region K2 Rohtang Pass Chaukhamba Mount Dhaulagiri Dhaulagiri Nepalese Mountains Chaukhamba Mountain Peaks Over 8000m 8,000-metre Peaks 8,000 Meter Peaks Karakoram 8,000-Meter Peaks Karakoram Range Langtang Lirung Remote Hill Airports Dhauladhar Dhauladhar Range Sikkim Tibetan Mountains Mount Shishapangma High Altitude Construction Uttarakhand state Seismic Activity Challenging Terrain Tunnel Eight Highest Peaks Nepal Peaks Summit Mountain Cleaning Campaign Region Eight-thousanders Climbing Routes Eastern Himalayas