Information and visitor guide official website to Mammoth Pool Reservoir in San Joaquin River in the Sierra Nevada, within the Sierra National Forest in California. Enjoy the fun activities with family including; boat rentals, jet ski, tours, and water sports activities with our watercraft company services.
This lake straddles the border of Fresno County and Madera County and is about 45 miles north-northeast of Fresno, CA. The reservoir is formed by Mammoth Pool Dam, an earth-fill dam completed in 1960 and a popular recreation area for the surrounding communities. Come and enjoy the best watercraft rentals and amazing outdoor boat tours on the market with Invert Sports.