Ronald Reagan Park in Diamond Bar, California, is an outdoor facility that offers a variety of amenities, including basketball and tennis courts, picnic shelters, and restrooms. The park is open from one-half hour before sunrise until one-half hour after sunset, with lighted facilities open until 10 p.m. Admission to the park is free, making it a great option for those looking for a public space to enjoy outdoor activities. The park spans 6 developed acres, providing plenty of space for recreation and relaxation.
For the latest schedules, pricing, and availability, visit their official website.
Listing updated September 2026. Own or manage Ronald Reagan Park? Claim this listing or suggest an edit — free, and reviewed by a person before it goes live.

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