Bennington Lake
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
Bennington Lake is a Mill Creek reservoir east of Walla Walla with a designated swim beach. The Army Corps of Engineers recreation area offers picnic shelters and trails. It is the Walla Walla Valley's main freshwater swim.
Good to know
| Water type | Lake |
|---|---|
| Depth | reservoir; swim beach |
| Best season | June-September |
| Fees | Free |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | park lots |
| Amenities | restrooms, picnic shelters, trails |
| County | Walla Walla County |
| Nearest town | Walla Walla |
| Safety notes | no lifeguard |
Map
Nearby swimming holes
Frequently asked questions
Does Bennington Lake require reservations?
No reservations are required at Bennington Lake based on current information — but verify before you go.
Is there a fee to visit Bennington Lake?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Bennington Lake?
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