The Wheel of Life is a 21-metre (69 ft) long sandstone bouldering route on the roof of the Hollow Mountain Cave in the Grampians of Australia.

The sandstone roof of the Hollow Mountain Cave in the Grampians attracted some of the leading boulderers, including Austrian Klem Loskot, Swiss Fred Nicole, and Dutchman Toni Lamprecht, who had created a web of hard bouldering routes.

[1] Japanese climber Dai Koyamada traveled to the Hollow Mountain Cave in April 2004, with a plan to spend over 50 days bouldering in the area and working on the full link-up.

[2] On the recovery path from a serious injury, American climber Ethan Pringle made the third ascent in 2010 and suggested that the significant length of the route made it more akin to a sport climbing route, which he felt could be at sport-grade 9a (5.14d).

[3] American climber Dave Graham made the sixth ascent in 2012 and said that "For myself, it's not possible to compare it to other boulder problems, due to its length.