Natural swimming hole
Castaic Lagoon Swim Beach
Lake · California
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
Castaic Lagoon's swim beach is the Lower Lake's answer to summer heat, with a sandy shore and calm water separate from the main reservoir's boating. Lifeguards staff the beach in season. It is one of the closest freshwater swims to the Santa Clarita and San Fernando valleys.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 70s in summer |
| Depth | designated swim lagoon |
| Best season | June-September |
| Fees | $11 day use |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | lagoon parking lots |
| Amenities | restrooms, picnic tables |
| County | Los Angeles County |
| Nearest town | Castaic |
| Safety notes | lifeguards in summer; swim only in the designated lagoon area |
Map
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Frequently asked questions
Can you swim in Castaic Lagoon Swim Beach?
Yes — Castaic Lagoon Swim Beach is listed as a natural swimming spot in California. Reported water temperature: 70s in summer. Heads-up: lifeguards in summer; swim only in the designated lagoon area. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Castaic Lagoon Swim Beach require reservations?
No reservations are required at Castaic Lagoon Swim Beach based on current information — but verify before you go.
Is there a fee to visit Castaic Lagoon Swim Beach?
Reported fee info: $11 day use. Fees can change — confirm with the official link.
When is the best time to visit Castaic Lagoon Swim Beach?
The best season is typically June-September.