Shadow Cliffs Regional Recreation Area
- Type
- Former quarry lake in a regional park
- Address
- 2500 Stanley Blvd., Pleasanton, CA 94566
- Lake size
- 80-acre main lake
- Boats allowed
- Up to 17 ft, electric motors only
- Boat launch
- Kayak & SUP
- Fishing
- Boat rentals
About this lake
Shadow Cliffs Regional Recreation Area is a former gravel quarry in Pleasanton, donated by Kaiser Industries and opened as a park in 1971. Its 80-acre main lake is one of the few East Bay lakes where you can launch your own small boat.
Boating
Boats up to 17 feet can launch here, with electric motors only; gas engines and jet skis aren't allowed, and boats stay out of the arroyo areas. Every craft is inspected for invasive mussels first. Kayaks, pedal boats, rowboats and paddleboards can be rented at the marina, which is closed Mondays.
Fishing and swimming
Trout and catfish are stocked weekly in season, and the lake also holds bluegill and black bass. The swim beach is closed for now and is expected to reopen for the 2027 season.
Getting there & access
Getting there
The entrance is on Stanley Boulevard between Pleasanton and Livermore.
Launching
Bring a boat 17 feet or shorter with an electric motor or no motor. It must be completely clean and dry, with no water in the motor, to pass the mussel inspection.
Rentals
The marina concession rents kayaks, pedal boats, rowboats and paddleboards Tuesday through Sunday.
- Launch fees
- Motorized $5 launch + $10 inspection; non-motorized $3 + $5
- Parking
- $5 per vehicle or trailered vehicle
- Swimming
- Closed; expected to reopen in 2027
- Phone
- (925) 846-3000
What's here
Launch
Private launch for boats up to 17 feet, electric motors only
Boat rentals
Kayaks, pedal boats, rowboats and paddleboards
Fishing
Trout and catfish stocked weekly in season; bluegill and black bass
Paddling
Calm quarry lake popular with kayakers
Rules & official resources
- Boats up to 17 feet with electric motors only; no gas engines or jet skis; no boating in the arroyo areasebparks.org ↗
- Every boat must pass an invasive mussel inspection; boats launched at Contra Loma or Del Valle are quarantined for 30 days from other Park District lakesebparks.org ↗
- Anglers need a $5 daily District Fishing Permit and a California fishing licenseebparks.org ↗
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