Natural swimming hole
Coldwater Lake
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
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
Can you swim in Coldwater Lake?
Yes — Coldwater Lake is listed as a natural swimming spot in Washington. Reported water temperature: 50s-60s in summer. Heads-up: no lifeguard; very cold mountain water. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
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.