Shadow Cliffs Swim Beach
Lake · California
ℹ️ Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.
About this swimming hole
Shadow Cliffs' swim beach on the former quarry lakes in Pleasanton offers lifeguarded swimming with sandy shores. The clear quarry water and shaded picnic areas make it a Tri-Valley summer staple. An inflatable obstacle course operates in summer for extra thrills.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 70s in summer |
| Depth | designated swim beach |
| Best season | June-September |
| Fees | $6 parking |
| Reservations required | No |
| Hours | 11am-6pm summer |
| Parking | park lot; fills on hot days |
| Amenities | restrooms, lifeguards, picnic tables |
| County | Alameda County |
| Nearest town | Pleasanton |
| Safety notes | lifeguards on duty in summer; deep quarry water — swim in designated areas |
Map
Nearby swimming holes
Frequently asked questions
Does Shadow Cliffs Swim Beach require reservations?
No reservations are required at Shadow Cliffs Swim Beach based on current information — but verify before you go.
Is there a fee to visit Shadow Cliffs Swim Beach?
Reported fee info: $6 parking. Fees can change — confirm with the official link.
When is the best time to visit Shadow Cliffs Swim Beach?
The best season is typically June-September.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026