Summary: Rainbow Pool is one of California's most iconic swimming holes, closed by surrounding damage from the Rim Fire last year, and is located east of Groveland on a spur off of Highway 120 on the route to the Big Oak Flat entrance to Yosemite National Park less Rainbow Pool is one of California's most iconic swimming holes, closed by surrounding damage from the Rim Fire last year, and is located east of Groveland on a spur off of Highway 120 on the route to the Big .
