Quarry Lakes Regional Recreation Area

This park contains four bodies of water: Horseshoe Lake, Rainbow Lake, Willow Slough and Lago Los Osos. Park visitors may only launch electric or non motorized boats.

Operating Hours

Park hours are September 6 a.m.to 8 p.m., October 6 a.m.to 7p.m., November through January 7 a.m.to 6 p.m., February through March 6 a.m.to 7 p.m., April 6 a.m.to 8 p.m., May through Labor Day 6 a.m.to 9 p.m.


The Daily Fishing Access Permit may be purchased at the park entry kiosk. There are parking, launch and dog fees except for guide dogs.

Disabled Access

All the facilities at the Niles beach area, the Ensenada Pavilion area, and the Orchard picnic area are wheelchair accessible. The Rock picnic area has wheelchair accessible bathrooms and a drinking fountain but no parking.


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2100 Isherwood Way

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Contact Info

Phone: 1-888-327-2757, option 3, extension 4552 or 510-795-4883