9 Astonishingly Hard Hikes (That You Should Do Anyway)

These 9 difficult hikes will challenge even the toughest backpackers.

Hard is in. But to hell with obstacle races and manufactured difficulty (50 miles in a day! Barefoot! Backwards!). These 9 hard hikes offer true challenges of all types — grueling, really scary, and tricky to plan—and payoffs you can only get one way. Go forth and conquer—if you dare.