Updated ·
Terwilliger (Cougar) Hot Springs — Day-use fee or pay-per-soak in Blue River, OR (2026)
Six terraced pools overlook Rider Creek in dense old-growth forest; hot water cascades from a rock grotto into progressively cooler pools. FS rangers limit soakers to maintain the quiet, clothing-optional vibe.
Temperature
95°–107°F
Pools
6 soaking pools
Best season
May-October
Reservations
Walk-up friendly
Dog policy
No pets at pools
Family policy
Adults only
Safety notes
- Closed Tuesdays for cleaning; arriving anyway risks fines.
- Pay attention to bacteria advisories—blue-green algae occasionally triggers temporary closures.
Amenities & etiquette
FAQ
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