Hells Canyon Reservoir
Lake ¡ Idaho
âšī¸ Community-reported spot. Details below are compiled from public sources and are reported to be accurate â always verify locally before visiting.
About this swimming hole
A Hells Canyon reservoir with shoreline swimming and canyon views. Hells Canyon's water is warm and the setting is dramatic. A remote Idaho lake swim.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 70s summer |
| Depth | swim near shore |
| Best season | June-September |
| Fees | Free |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | Day-use lots |
| County | Adams County |
| Nearest town | Council |
| Safety notes | No lifeguard; remote |
Map
Nearby swimming holes
Frequently asked questions
Does Hells Canyon Reservoir require reservations?
No reservations are required at Hells Canyon Reservoir based on current information â but verify before you go.
Is there a fee to visit Hells Canyon Reservoir?
Reported fee info: Free. Fees can change â confirm with the official link.
When is the best time to visit Hells Canyon Reservoir?
The best season is typically June-September.
â ī¸ Verify before you go. Conditions, fees, reservations, and access can change â confirm details with the official link before visiting. Last verified: September 2026