Lake Almanor
Lake · California
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
Lake Almanor is a big, warm mountain reservoir in Plumas County with swim-friendly shoreline and a laid-back summer scene. The lake's shallow bays heat up nicely by midsummer. With Mount Lassen on the horizon, it is one of Northern California's most pleasant lake swims.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 70s in summer |
| Depth | swim areas along the shore |
| Best season | June-September |
| Fees | Free (USFS) |
| Reservations required | No |
| Parking | day-use lots around the lake |
| Amenities | restrooms, campground, boat launch |
| County | Plumas County |
| Nearest town | Chester |
| Safety notes | no lifeguard; boat traffic; fluctuating water levels |
Map
Nearby swimming holes
Frequently asked questions
Does Lake Almanor require reservations?
No reservations are required at Lake Almanor based on current information — but verify before you go.
Is there a fee to visit Lake Almanor?
Reported fee info: Free (USFS). Fees can change — confirm with the official link.
When is the best time to visit Lake Almanor?
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