Country
United States
Reviews
No reviews yet
Family friendly
Yes
Terrain
Rock
Season
Year-round (weekdays and colder months are quieter; winter road conditions vary)
About Terwilliger Hot Springs (Cougar)
Terwilliger Hot Springs, also called Cougar Hot Springs, is a series of natural soaking pools in the Willamette National Forest east of Eugene, managed by the US Forest Service as a fee day-use site. Hot water emerges from the hillside in an old-growth ravine above Cougar Reservoir and is channelled down four rock-lined pools stepped one below another, each 3 to 12 feet across and around 2 to 3 feet deep. The top pool runs at about 112°F and the lowest at about 85°F, so soakers can move down the cascade to cooler water. The springs are clothing-optional, and nudity is common in the pools, but it must not be visible from the Aufderheide Scenic Byway (Forest Road 19). The site sits on a short forest trail lined with ferns and moss-covered trees, and the 2018 Terwilliger Fire left visible burn scars nearby. Rules are strict: no alcohol, no pets (service animals only), no camping at the springs and no visits after 10 pm. There are vault toilets at the car park, composting toilets near the pools and potable water. Weekends are often crowded, and the fee is collected on site.
Legal context & local rules
The Forest Service designates the pools clothing-optional, but nudity must not be visible from the Aufderheide Scenic Byway (Forest Road 19). Alcohol is prohibited and the site is closed from 10 pm to sunrise.
Public nudity is largely prohibited in the US under indecent exposure laws which vary significantly by state. Vermont has no state-level law against public nudity, making it unique. Florida designates specific beaches as clothing-optional (Haulover Beach, Blind Creek State Park). Federal jurisprudence under the First Amendment has occasionally recognised nude expression in protests, though states regulate for public decency standards. Most states prohibit exposure of "sexual organs" in public under statutes similar to Florida Statute § 800.03.
What’s here
Getting there and visiting
From Highway 126 at Blue River, drive about 4 miles east, turn onto the Aufderheide Scenic Byway (Forest Road 19), bear right at the fork and continue about 5 miles south along Cougar Reservoir to the parking area; from Highway 58 it is about 50 miles north via Westfir. Parking is limited and parking along FR 19 is not allowed; RVs and trailers must use nearby pull-outs or the Cougar Crossing day-use area. Pay $12 per person (age 12+) per two hours on site; no reservations and no interagency passes (2026). The trail to the pools is about a quarter-mile. Road 19 is not maintained for snow and ice.
What visitors say
Guides describe a beautiful, lightly developed forest setting with four cascading pools, and a relaxed clothing-optional atmosphere. The site fills quickly on summer weekends, when pools hold only around 15 people and a two-hour soak limit applies, so arriving early on a weekday is the standard advice. Parking is tight and car break-ins at the trailhead have been a problem; leave valuables at home. Rocks are slippery, the top pool is very hot, and visitors are asked not to use soap and to respect others' privacy by not taking photos.
Summarised in our own words from public reviews and guides listed under Sources.
Before you go
- 1 Check the current local rules and access conditions before travelling.
- 2 Bring a towel and sit on it when using shared seating.
- 3 Never take photographs of other people without clear consent.
- 4 Respect the venue’s clothing, privacy, and behaviour rules.
Location
⌖View this place on the map
44.0850, -122.2400
Frequently asked questions
Is Terwilliger Hot Springs clothing-optional?
Yes. The Forest Service lists the pools as clothing-optional, but nudity must not be visible from Forest Road 19.
How much does it cost?
In 2026 the fee was $12 per person aged 12 and over per two hours, paid on site. Interagency passes are not accepted.
When is it open?
Daily from sunrise to 10 pm, year-round; it is closed overnight and camping is only allowed in developed campgrounds nearby.
Can I bring my dog or a drink?
No. Pets (except service animals) and alcohol are prohibited.
How hot are the pools?
There are four pools, from about 112°F at the top to about 85°F at the bottom.
Sources
- Terwilliger (Cougar) Hot Springs - USDA Forest Service Official
- Terwilliger Hot Springs - Wikipedia
- Terwilliger Hot Springs, Oregon - Hot Springs Guides
- Visiting Oregon's Terwilliger Hot Springs (Road Trips for Families)
Researched 25 October 2026 ; confirmed against an official source 25 October 2026.
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