Blue Lake, Washington Pass
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
A small alpine lake right off Highway 20 near Washington Pass, reached by a short trail that delivers big Cascade scenery for minimal effort. The chilly water and larch-fringed shoreline make it a classic pass-country swim stop.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 55-60 in summer |
| Best season | July-August |
| Fees | NW Forest Pass |
| Reservations required | No |
| Hours | daylight hours |
| Parking | Blue Lake trailhead lot |
| County | Okanogan County |
| Nearest town | Winthrop |
| Safety notes | no lifeguard; alpine water stays cold |
Map
Nearby swimming holes
Frequently asked questions
Does Blue Lake, Washington Pass require reservations?
No reservations are required at Blue Lake, Washington Pass based on current information — but verify before you go.
Is there a fee to visit Blue Lake, Washington Pass?
Reported fee info: NW Forest Pass. Fees can change — confirm with the official link.
When is the best time to visit Blue Lake, Washington Pass?
The best season is typically July-August.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026