This is Cameron Falls in Waterton Lakes National Park in Canada. A rare phenomenon occurs during heavy rain to create the red color | by Chris Spinney Long - Explore the World with Travel Nerd Nici, one Country at a Time. http://TravelNerdNici.com
Nope this isn't photoshop, this pink waterfall is 100% real
For more than thirty years spanning the late nineteenth and twentieth centuries, Evelyn Jephson Cameron photographed the landscape, wildlife, and people of eastern Montana. Evelyn took thousands of photographs of her world; the rural life, badlands, and ranch characters of the real west.