Natural swimming hole
Terwilliger (Cougar) Hot Springs
Spring · 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
Terwilliger Hot Springs — also called Cougar Hot Springs — is a series of rock pools cascading down a hillside above Rider Creek in the Willamette National Forest. The pools step from hot to warm, set in lush old-growth forest. A short quarter-mile trail leads from the parking area, and a day-use fee applies.
Good to know
| Water type | Spring |
|---|---|
| Water temperature | 100-112 in pools |
| Depth | soaking pools; hottest at the source |
| Best season | Year-round |
| Fees | $7-10 day use |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | trailhead lot; short walk in |
| Amenities | vault toilets |
| County | Lane County |
| Nearest town | Blue River |
| Safety notes | no lifeguard; test pool temperatures; clothing-optional; break-ins reported — don't leave valuables |
Map
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Frequently asked questions
Can you swim in Terwilliger (Cougar) Hot Springs?
Yes — Terwilliger (Cougar) Hot Springs is listed as a natural swimming spot in Oregon. Reported water temperature: 100-112 in pools. Heads-up: no lifeguard; test pool temperatures; clothing-optional; break-ins reported — don't leave valuables. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Terwilliger (Cougar) Hot Springs require reservations?
No reservations are required at Terwilliger (Cougar) Hot Springs based on current information — but verify before you go.
Is there a fee to visit Terwilliger (Cougar) Hot Springs?
Reported fee info: $7-10 day use. Fees can change — confirm with the official link.
When is the best time to visit Terwilliger (Cougar) Hot Springs?
The best season is typically Year-round.