Bluejohn Canyon


Bluejohn Canyon is a slot canyon in Canyonlands National Park in eastern Wayne County, Utah, United States, that is often referred to as "Blue John Canyon".

Description

The canyon is located southwest of the Horseshoe Canyon Unit of the National Park and south of Green River. It runs for approximately and is a tributary of Horseshoe Canyon, running northeastwards from the Robbers Roost Flats.
Bluejohn Canyon came to international attention in 2003 as the place where the outdoorsman Aron Ralston was forced to amputate his own right forearm with a multi-tool after it became trapped by a boulder. Ralston's entrapment was described in his autobiography Between a Rock and a Hard Place and was depicted in the 2010 film 127 Hours.