Eleven Mile Reservoir
Lake · Colorado
ℹ️ 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 big South Park reservoir with shoreline swimming, boating, and mountain views. Eleven Mile's water is cold but the setting is classic high-country. The state park adds campgrounds and trails.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | cold |
| Depth | swim near shore |
| Best season | June-September |
| Fees | Colorado State Parks pass ($10/vehicle) |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | State park lots |
| Amenities | restrooms, picnic tables |
| County | Park County |
| Nearest town | Lake George |
| Safety notes | No lifeguard; cold |
Map
Nearby swimming holes
Frequently asked questions
Does Eleven Mile Reservoir require reservations?
No reservations are required at Eleven Mile Reservoir based on current information — but verify before you go.
Is there a fee to visit Eleven Mile Reservoir?
Reported fee info: Colorado State Parks pass ($10/vehicle). Fees can change — confirm with the official link.
When is the best time to visit Eleven Mile Reservoir?
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