Longs Peak in Rocky Mountain National Park is one of the most popular 14ers in Colorado. It's also the most deadly mountain in Colorado with over 60 deaths, an average of 2 a year. This is a challenging route that requires rock climbing experience, with intense class 3 sections with multiple deadly obstacles in the ledges, trough, narrows, homestretch. If you can summon up the courage to tackle this daunting challenge the views and experience are totally worth it!