Potholes State Park
Lake · Washington
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
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
Nearby swimming holes
Frequently asked questions
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.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026