Colorado Amphitheater, Amphitheater near Golden, Colorado, USA

Colorado Amphitheater, also called Structure #41, is a natural stone amphitheater built in 1935 near the base of South Table Mountain, just east of Golden, Colorado. It was constructed as a Works Progress Administration project to serve Camp George West of the Colorado National Guard.

The Colorado Amphitheater was built in 1935 as a Works Progress Administration project for Camp George West of the Colorado National Guard, under commander Neil West Kimball, grandson of the general the camp was named for. Troops used it mainly to watch films. It later passed to the National Renewable Energy Laboratory and was listed on the National Register of Historic Places in 1993.

The amphitheater was listed on the National Register of Historic Places in 1993. It later passed to the National Renewable Energy Laboratory, which owns the site at the base of South Table Mountain today.

The site is now located within the National Renewable Energy Laboratory grounds, so access may be limited or require prior approval. It is advisable to check beforehand if the structure can be visited.

The structure gradually fell out of use as the surrounding area became home to rattlesnakes. Wildlife in the location now presents practical challenges for regular visits.