Willowbrook Amphitheatre, also known as Chief Colorow's Cave, is a cave-like structure composed of Paleozoic Age Fountain Formation sandstone. The top is open to the sky. Willowbrook Amphitheatre is located in a Willow Creek subdivision in Jefferson County, near Morrison, Colorado, south of Red Rocks Park and Red Rocks Amphitheatre. It is located on private land, and is used for weddings and local events.
Its coordinates are 39°36′28″N 105°10′29″W / 39.60778°N 105.17472°W / 39.60778; -105.17472