Natural swimming hole
Potholes State Park
Lake · Washington
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
Potholes State Park sits on Potholes Reservoir with swimming in the desert reservoir's warm water. The park's location in the channeled scablands is unique. It is a favorite for Moses Lake-area swimmers.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 70s in summer |
| Depth | reservoir with swim areas |
| Best season | June-September |
| Fees | $10 day use (Discover Pass) |
| Reservations required | No |
| Hours | 8am-dusk |
| Parking | park lots |
| Amenities | restrooms, picnic tables, campground, boat launch |
| County | Grant County |
| Nearest town | Moses Lake |
| Safety notes | no lifeguard; boat traffic |
Map
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Frequently asked questions
Can you swim in Potholes State Park?
Yes — Potholes State Park is listed as a natural swimming spot in Washington. Reported water temperature: 70s in summer. Heads-up: no lifeguard; boat traffic. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Potholes State Park require reservations?
No reservations are required at Potholes State Park based on current information — but verify before you go.
Is there a fee to visit Potholes State Park?
Reported fee info: $10 day use (Discover Pass). Fees can change — confirm with the official link.
When is the best time to visit Potholes State Park?
The best season is typically June-September.