Rattlesnake 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
Rattlesnake Lake is a Seattle-area favorite for swimming, with a sandy swim area and the Rattlesnake Ledge trail above. The lake's flooded forest stumps add character. It is one of the closest natural swims to Seattle.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 60s-70s in summer |
| Depth | lake with swim areas |
| Best season | July-September |
| Fees | Free |
| Reservations required | No |
| Parking | lake lot; fills early on summer weekends |
| Amenities | vault toilets, picnic tables |
| County | King County |
| Nearest town | North Bend |
| Safety notes | no lifeguard; submerged stumps — no diving |
Map
Nearby swimming holes
Frequently asked questions
Does Rattlesnake Lake require reservations?
No reservations are required at Rattlesnake Lake based on current information — but verify before you go.
Is there a fee to visit Rattlesnake Lake?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Rattlesnake Lake?
The best season is typically July-September.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026