Natural swimming hole
Island Lake (San Juan Mountains)
Lake · Colorado
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
Ice Lake's quieter neighbor, a smaller tarn with the same impossible color and fewer crowds. Island Lake sits just over the ridge, rewarding hikers who keep going. The swim is a true alpine plunge.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | very cold |
| Depth | alpine lake; swim near shore |
| Best season | July-September |
| Fees | Free |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | South Mineral trailhead |
| County | San Juan County |
| Nearest town | Silverton |
| Safety notes | No lifeguard; very cold; altitude |
Map
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Frequently asked questions
Can you swim in Island Lake (San Juan Mountains)?
Yes — Island Lake (San Juan Mountains) is listed as a natural swimming spot in Colorado. Reported water temperature: very cold. Heads-up: No lifeguard; very cold; altitude. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Island Lake (San Juan Mountains) require reservations?
No reservations are required at Island Lake (San Juan Mountains) based on current information — but verify before you go.
Is there a fee to visit Island Lake (San Juan Mountains)?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Island Lake (San Juan Mountains)?
The best season is typically July-September.