Natural swimming hole

Bennington Lake

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

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 typeLake
Depthreservoir; swim beach
Best seasonJune-September
FeesFree
Reservations requiredNo
Hourssunrise-sunset
Parkingpark lots
Amenitiesrestrooms, picnic shelters, trails
CountyWalla Walla County
Nearest townWalla Walla
Safety notesno lifeguard

Map

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Frequently asked questions

Can you swim in Bennington Lake?

Yes — Bennington Lake is listed as a natural swimming spot in Washington. Heads-up: no lifeguard. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.

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.

Keep exploring

Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026