The Mountain Play Association is a 501(c)3 organization responsible for the production of theatrical events at the Sidney B. Cushing Amphitheatre[1] on Mount Tamalpais in Marin County, California. The stone amphitheatre, named for the owner of the railroad company which constructed the Mount Tamalpais Scenic Railway, is at an elevation of 2,000 feet and has 4,000 seats[2]. The organization was founded in 1913, and is a member of Theatre Bay Area and the North Bay Theatre Group.
The mission statement of the Mountain Play Association reads, "The Mountain Play Association’s mission is to produce an annual, spectacular, outdoor theatrical experience that nurtures an appreciation of Mt. Tamalpais, involves and strengthens the community, and builds on decades of tradition."