Natural swimming hole

The Big Rock, Lake Cushman

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

The Lake Cushman cliff-jumping landmark, a big rock face with deep water below that draws the adventurous end of the lake's crowd. Swimmers who aren't jumping use the surrounding coves for a quieter float.

Good to know

Water typeLake
Water temperature65-70 in summer
Depthjumpable cliff pool
Best seasonJuly-September
Feesday-use fee in the vicinity
Reservations requiredNo
Hoursdaylight hours
Parkingroadside pullouts; boat access easier
CountyMason County
Nearest townHoodsport
Safety notesno lifeguard; scout jump depth; rocks shift

Map

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Frequently asked questions

Can you swim in The Big Rock, Lake Cushman?

Yes — The Big Rock, Lake Cushman is listed as a natural swimming spot in Washington. Reported water temperature: 65-70 in summer. Heads-up: no lifeguard; scout jump depth; rocks shift. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.

Does The Big Rock, Lake Cushman require reservations?

No reservations are required at The Big Rock, Lake Cushman based on current information — but verify before you go.

Is there a fee to visit The Big Rock, Lake Cushman?

Reported fee info: day-use fee in the vicinity. Fees can change — confirm with the official link.

When is the best time to visit The Big Rock, Lake Cushman?

The best season is typically July-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