Castle Rock Regional Recreation Area

Castle Rock Pool Complex


$4.00 age 16-61
$2.00 age 1-15
$2.00 seniors 62+ or disabled
FREE under 1 year
No Parking Fee
Payment by cash (no bills over $20) ONLY


Weekends and Holidays (May 25 – September 15): 11 AM – 6 PM
Thursday and Friday (June 13 – August 16): 11 AM – 6 PM
No entry after 5:30 PM


1700 Castle Rock Road, Walnut Creek, CA 94598


(888) 327-2757, option 3, ext.4515

Venue Activities

Castle Rock Swimming Pool

Located in Castle Rock Regional Recreation Area adjacent to Diablo Foothills Regional Park, the Castle Rock pool complex features a 30 feet by 70 feet chlorinated swimming pool and deck areas. The complex is fully accessible to individuals with disabilities, including the bathhouse and an accessible lift into the pool. Swimming is allowed only when lifeguards are on duty.

No pre-registration for swimming at Castle Rock. Drop-in ONLY.

Swim Capacity

Once the swimming facility capacity is reached, there will be no new entries allowed for the remainder of the day. For the safety of the public, please take this into consideration when planning your visit.

Castle Rock Swim Complex