Sun Lakes-Dry Falls SP (Deep 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

Sun Lakes-Dry Falls State Park's Deep Lake offers swimming in the spring-fed coulee lake beneath the Dry Falls cliffs. The park's desert-canyon scenery is otherworldly. It is a favorite for Central Washington families.

Good to know

Water typeLake
Water temperature60s-70s in summer
Depthspring-fed lake; swim areas
Best seasonJune-September
Fees$10 day use (Discover Pass)
Reservations requiredNo
Hours8am-dusk
Parkingpark lots
Amenitiesrestrooms, picnic tables, campground
CountyGrant County
Nearest townCoulee City
Safety notesno lifeguard; extreme heat in summer — carry water

Map

Nearby swimming holes

Frequently asked questions

Does Sun Lakes-Dry Falls SP (Deep Lake) require reservations?

No reservations are required at Sun Lakes-Dry Falls SP (Deep Lake) based on current information — but verify before you go.

Is there a fee to visit Sun Lakes-Dry Falls SP (Deep Lake)?

Reported fee info: $10 day use (Discover Pass). Fees can change — confirm with the official link.

When is the best time to visit Sun Lakes-Dry Falls SP (Deep 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