Walnut Creek Community Regional Park in San Dimas, CA, is a natural space offering peaceful walking trails and recreational areas. It's part of the Walnut Creek watershed and features open spaces for hiking, bird watching, and picnicking. The park has a mix of native plants and wildlife, with several areas shaded by large trees. It's a great spot for a quiet outdoor retreat or a family outing.

Frank G. Bonelli Regional Park is a man-made recreational area in San Dimas, California. The park contains a 250acre lake called Puddingstone Reservoir, which provides a place for fishing, swimming, sailing, wind surfing, boating, and jet skiing, along with a waterfall.

San Dimas is a city in the San Gabriel Valley of Los Angeles County, California. At the 2020 census, its population was 34,924. It historically took its name from San Dimas Canyon in the San Gabriel Mountains above the northern section of present-day San Dimas.

Sailboat Cove is a recreational area located in San Dimas, California, in the eastern part of Los Angeles County. It is situated on the shores of Puddingstone Reservoir, a man-made lake that is a popular spot for boating, fishing, and swimming.

Valley Center Staging Area is a recreational area located in San Dimas, California, in the eastern part of Los Angeles County. It is situated within the larger San Dimas Canyon Park, which spans over 130 acres and offers a range of outdoor activities.