Natural swimming hole
Thomas Lakes
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
A pair of high lakes on the Aspen side of the Elk Range, reached by a steep trail from the Thomas Lakes trailhead. The lakes sit in a hanging valley with big views. A quieter alternative to the Maroon Bells scene.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | very cold |
| Depth | alpine lakes; swim near shore |
| Best season | July-September |
| Fees | Free |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | Thomas Lakes trailhead |
| County | Pitkin County |
| Nearest town | Aspen |
| Safety notes | No lifeguard; very cold; altitude |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Thomas Lakes?
Yes — Thomas Lakes 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 Thomas Lakes require reservations?
No reservations are required at Thomas Lakes based on current information — but verify before you go.
Is there a fee to visit Thomas Lakes?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Thomas Lakes?
The best season is typically July-September.