Chatfield Reservoir swim beach

Lake · Colorado

About this swimming hole

Chatfield's designated swim beach is Denver's closest big-water swim, with a sandy beach and mountain backdrop. The reservoir also offers paddleboarding and sailing; summer weekends are busy. CPW does not staff lifeguards at state park swim beaches.

Good to know

Water typeLake
Water temperature75
Depthdesignated swim beach
Best seasonJune-September
FeesColorado State Parks pass ($10/vehicle)
Reservations requiredNo
Hourssunrise-sunset
ParkingLarge lots
Amenitiesrestrooms, picnic tables, campground
CountyJefferson County
Nearest townLittleton
Safety notesNo lifeguard; swim at own risk; no swimming at marina/docks/buoyed areas or after sunset; afternoon storms common

Map

Nearby swimming holes

Frequently asked questions

Does Chatfield Reservoir swim beach require reservations?

No reservations are required at Chatfield Reservoir swim beach based on current information — but verify before you go.

Is there a fee to visit Chatfield Reservoir swim beach?

Reported fee info: Colorado State Parks pass ($10/vehicle). Fees can change — confirm with the official link.

When is the best time to visit Chatfield Reservoir swim beach?

The best season is typically June-September.

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