Keyhole Hot Springs
Pemberton, British Columbia, Canada
- Location
- Pemberton, British Columbia, Canada
- Water type
- iron-rich
- Temperature
- 38 °C
- pH
- 6.3
Water profile
Thermicity
Neutral
LowHigh
Soothing — neither hot nor cold, perfect balance.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Boulder Creek, originally Pebble Creek, is a stream in the southern Pacific Ranges of the Coast Mountains in British Columbia, Canada. It flows southwest into the Lillooet River approximately 95 km (59 mi) northwest of the village of Pemberton.
Insider tip — Keyhole Hot Springs is a remote backcountry thermal pool accessible only by a multi-hour hike along the Stein Valley trail system northeast of Pemberton in the British Columbia Coast Mountains. The pool's distinctive keyhole shape has been formed by iron-rich mineral deposits that have slowly built up around the spring over millennia. The surrounding old-growth forest of cedar and fir creates a cathedral-like setting, and on clear nights the mountain sky above offers exceptional stargazing. Expect cold river crossings and muddy trails — proper backcountry preparation is essential.
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Frequently asked questions
How hot is the water?
The water is neutral here, around 38 °C — a perfect balance, neither too hot nor too cold.
What type of water is found here?
This spot features iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Hiver pour la neige + onsen.