Frank G. Bonelli Regional Park is a man-made recreational area in San Dimas, California, United States, in Los Angeles County.
[1] The park contains a 250-acre (1.0 km2) lake called Puddingstone Reservoir, which provides a place for fishing, swimming, sailing, wind surfing, boating, and jet skiing, along with a waterfall.
The private areas are run exclusively by James Events,[2] which has a contract with Los Angeles County Parks and Recreation.
The park will host mountain biking at the 2028 Summer Olympics.
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