Natural swimming hole

Blue Lake (Sangre de Cristo)

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 high Sangre de Cristo lake beneath the Crestone Needle, reached by a strenuous trail. Blue Lake's setting is dramatic, with 14er walls on three sides. The swim is a true mountaineer's plunge.

Good to know

Water typeLake
Water temperaturevery cold
Depthalpine lake; swim near shore
Best seasonJuly-September
FeesFree
Reservations requiredNo
Hourssunrise-sunset
ParkingTrailhead lot
CountySaguache County
Nearest townCrestone
Safety notesNo lifeguard; very cold; strenuous hike

Map

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Frequently asked questions

Can you swim in Blue Lake (Sangre de Cristo)?

Yes — Blue Lake (Sangre de Cristo) is listed as a natural swimming spot in Colorado. Reported water temperature: very cold. Heads-up: No lifeguard; very cold; strenuous hike. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.

Does Blue Lake (Sangre de Cristo) require reservations?

No reservations are required at Blue Lake (Sangre de Cristo) based on current information — but verify before you go.

Is there a fee to visit Blue Lake (Sangre de Cristo)?

Reported fee info: Free. Fees can change — confirm with the official link.

When is the best time to visit Blue Lake (Sangre de Cristo)?

The best season is typically July-September.

Keep exploring

Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026