Natural swimming hole

Anderson Lake 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

Anderson Lake State Park offers a swim beach on the quiet Jefferson County lake. The park's peaceful, forested setting is a local secret. It is one of the Olympic Peninsula's calmest lake swims.

Good to know

Water typeLake
Water temperature60s-70s in summer
Depthlake with swim beach
Best seasonJune-September
Fees$10 day use (Discover Pass)
Reservations requiredNo
Hours8am-dusk
Parkingpark lot
Amenitiesrestrooms, picnic tables
CountyJefferson County
Nearest townPort Townsend
Safety notesno lifeguard; toxic algae blooms have closed the lake in past summers — check current advisories before swimming

Map

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Frequently asked questions

Can you swim in Anderson Lake State Park?

Yes — Anderson Lake State Park is listed as a natural swimming spot in Washington. Reported water temperature: 60s-70s in summer. Heads-up: no lifeguard; toxic algae blooms have closed the lake in past summers — check current advisories before swimming. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.

Does Anderson Lake State Park require reservations?

No reservations are required at Anderson Lake State Park based on current information — but verify before you go.

Is there a fee to visit Anderson Lake 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 Anderson Lake State Park?

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