Natural swimming hole
Guernsey Reservoir
Lake · Wyoming
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 Guernsey-area reservoir with a swim beach and Oregon Trail history. Guernsey's water warms nicely and the park is historic. An eastern Wyoming lake swim.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 70s summer |
| Depth | designated swim beach |
| Best season | June-September |
| Fees | Wyoming State Parks day-use |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | State park lots |
| Amenities | restrooms, picnic tables |
| County | Platte County |
| Nearest town | Guernsey |
| Safety notes | No lifeguard at swim beach |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Guernsey Reservoir?
Yes — Guernsey Reservoir is listed as a natural swimming spot in Wyoming. Reported water temperature: 70s summer. Heads-up: No lifeguard at swim beach. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Guernsey Reservoir require reservations?
No reservations are required at Guernsey Reservoir based on current information — but verify before you go.
Is there a fee to visit Guernsey Reservoir?
Reported fee info: Wyoming State Parks day-use. Fees can change — confirm with the official link.
When is the best time to visit Guernsey Reservoir?
The best season is typically June-September.