Frank G Bonelli Regional Park

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Parks

California

Nearby: Cesar Chaves Park Kellogg Park

Last Updated: December 5, 2025

Frank G Bonelli Regional Park is a popular outdoor recreation spot located in San Dimas, California.

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Summary

This 1,975-acre park offers a variety of activities and attractions, making it a great destination for visitors of all ages.

There are several good reasons to visit Frank G Bonelli Regional Park, including its beautiful natural surroundings, extensive hiking trails, and numerous recreational activities. Visitors can enjoy boating and fishing on the park's 250-acre lake, or picnic and play on the grassy fields and playgrounds. There is also a large water park area, Raging Waters, within the park that attracts visitors from all over California.

Some specific points of interest within the park include the Puddingstone Reservoir, the Frank G Bonelli Regional Park Golf Course, and the San Dimas Shooting Range. The park also offers a variety of outdoor education programs and hosts events throughout the year.

Interesting facts about the park include its history as a former rock quarry, which was transformed into a recreational area in the 1970s. The park is named after Frank G Bonelli, a former Los Angeles County Supervisor who played a key role in its development.

The best time of year to visit Frank G Bonelli Regional Park depends on the activities you plan to do. Spring and fall are ideal for hiking and outdoor activities, while summer is the best time to enjoy the water park and lake activities. The park is open year-round, but hours may vary depending on the season.

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.

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