Coldwater 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
Coldwater Lake was born in the 1980 eruption of Mount St. Helens, and its clear, cold water now offers swimming with the volcano looming above. Non-motorized boating keeps it peaceful. The lakeside trail tells the eruption story.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 50s-60s in summer |
| Depth | alpine lake; swim areas |
| Best season | July-September |
| Fees | Free |
| Reservations required | No |
| Parking | lake lot off Spirit Lake Highway |
| Amenities | vault toilets, boat launch |
| County | Cowlitz County |
| Nearest town | Toutle |
| Safety notes | no lifeguard; very cold mountain water |
Map
Nearby swimming holes
Frequently asked questions
Does Coldwater Lake require reservations?
No reservations are required at Coldwater Lake based on current information — but verify before you go.
Is there a fee to visit Coldwater Lake?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Coldwater 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