Lake Temescal is a small lake in the northeastern hills section of Oakland, California. It is the centerpiece of Temescal Regional Park. It is part of the greater East Bay Regional Park District. The lake currently supports an artificial recreational beach and is stocked periodically with Rainbow trout, largemouth bass, redear sunfish, bluegill, and catfish. The park is open to all visitors from 5 a.m. to 10 p.m. and receives around 200,000 visitors a year.