Natural swimming hole
Triangle Lake
Lake · Oregon
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
Triangle Lake is a Coast Range lake with swimming, boating, and camping an hour west of Eugene. The warm, quiet lake is a favorite for waterskiing and family swim days. It is one of the few swimmable lakes in the Oregon Coast Range.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 60s-70s in summer |
| Depth | lake with swim areas |
| Best season | June-September |
| Fees | $5-10 day use |
| Reservations required | No |
| Parking | park and resort lots |
| Amenities | restrooms, campground, boat launch |
| County | Lane County |
| Nearest town | Blachly |
| Safety notes | no lifeguard; boat traffic |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Triangle Lake?
Yes — Triangle Lake is listed as a natural swimming spot in Oregon. Reported water temperature: 60s-70s in summer. Heads-up: no lifeguard; boat traffic. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Triangle Lake require reservations?
No reservations are required at Triangle Lake based on current information — but verify before you go.
Is there a fee to visit Triangle Lake?
Reported fee info: $5-10 day use. Fees can change — confirm with the official link.
When is the best time to visit Triangle Lake?
The best season is typically June-September.