Terwilliger (Cougar) Hot Springs
Oregon, United States
- Location
- Oregon, United States
- Water type
- silica
- Temperature
- 35 °C
- pH
- 7.2
Water profile
Thermicity
Neutral
LowHigh
Soothing — neither hot nor cold, perfect balance.
Mineralisation
Balancing
LowHigh
Rich in trace elements — gentle on the skin.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
Silice
Terwilliger Hot Springs, also known as Cougar Hot Springs, are geothermal pools in the Willamette National Forest in the U.S. state of Oregon, 53 miles (85 km) east of Eugene. The springs drain into Rider Creek, which in turn drains into Cougar Reservoir. They are about a quarter mile from Forest Service Road 19, also known as Aufderheide Memorial Drive.
Insider tip — Arrive early in the morning at Terwilliger (Cougar) hot springs to enjoy the calm and the siliceous waters.
Nearby
Frequently asked questions
How hot is the water?
The water is neutral here, around 35 °C — a perfect balance, neither too hot nor too cold.
What type of water is found here?
This spot features silica water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.