Gold Fork Hot Spring delivers 127°F water just steps from the road at 4,960 feet in Valley County, combining easy access with genuinely hot source temperatures. Its pH of 9.5 ranks among the most alkaline in Idaho, and the sodium-dominant chemistry at 70 mg/L produces water that feels remarkably silky.
Pull off the road and the spring is right there, steam rising from the source where it meets the cold mountain air. The setting sits in a mountain valley near Cascade, surrounded by mixed conifer forest and open meadows. Winter transforms the area into a snow-blanketed landscape receiving nearly 12.5 feet of snow annually, with the contrast between hot water and frozen ground creating thick clouds of vapor.
History of Gold Fork Hot Spring
The spring taps the same geothermal system that feeds several thermal features in the Long Valley graben, a down-dropped block of earth's crust bounded by faults. USGS data shows the water reaches 122°F at depth, carrying extremely low calcium at 1.1 mg/L and no meaningful magnesium, indicating prolonged contact with deep granitic rock before rising to the surface.
Access is roadside, just 150 feet from pavement. The spring sits near Cascade, which provides gas, food, and basic services. Be aware that the 127°F source temperature can cause burns at the point of emergence. The annual air temperature averages only 42°F, so layered clothing is essential. Paddy Flat Guard Station offers reservable shelter about 11 miles away.
Is Gold Fork Hot Spring worth visiting?
Best for
- Hot spring soaking
- Easy day trips
- Overnight camping trips
Gold Fork Hot Spring offers an accessible hot spring experience — great for a day trip.
Annual Precip: 34.3 in
Annual Snow: 148.3 in
December
Air 22°F · Water 127°F · +105° contrast
January
Air 24°F · Water 127°F · +103° contrast
February
Air 26°F · Water 127°F · +101° contrast
December offers 45°F more contrast than August
Recent Temperature
122.0°F
(50.0°C)
Measured Jul 28, 1982
The water at Gold Fork Hot Spring is alkaline (pH 9.5).
pH influences mineral absorption through skin
May support bone density and joint health
Supports circulation and skin hydration
Traditionally used for skin conditions and inflammation
Natural antiseptic with skin health benefits
Overview
The Paddy Flat Guard Station is located in the Payette National Forest of central Idaho. Guests enjoy the remote area for its hunting opportunities and abundance of hiking, biking, horseback riding and off-highway vehicle roads and trails. Abundant streams and numerous alpine lakes within travel distance offer fantastic fishing opportunities.
Recreation
The Paddy Flat Guard Station serves as an excellent jumping-off point for adventures via horseback, motorcycle, ATV or hiking. N...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Warm layers
Cold air before and after soaking
Camping gear
Nearby camping at Paddy Flat Guard Station
Trash bag
Pack out what you pack in
Water shoes
Hot ground near source
USGS Quad: GOLD FORK 15 · PP 492: 28.0 · NOAA: 12.0 · AMS Map: CHALLIS
What is the water temperature at Gold Fork Hot Spring?
Gold Fork Hot Spring has a water temperature of 127°F (53°C). This is considered a hot spring, well above body temperature.
Where is Gold Fork Hot Spring located?
Gold Fork Hot Spring is located in Valley County, Idaho at 4,960 feet elevation, near Cascade. Coordinates: 44.6760°N, 115.9430°W.
How do I get to Gold Fork Hot Spring?
Gold Fork Hot Spring has Roadside road access (150 ft from the road).
Can I camp near Gold Fork Hot Spring?
Yes, Paddy Flat Guard Station is located nearby (6.9 miles away).
What minerals are in the water at Gold Fork Hot Spring?
Water chemistry analysis shows the presence of pH, Calcium, Sodium, Sulfate, Chloride. The pH is 9.5 (alkaline).
Is it safe to soak at Gold Fork Hot Spring?
At 127°F, Gold Fork Hot Spring is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Gold Fork Hot Spring crowded?
Gold Fork Hot Spring is accessible from a paved road, making it easy to reach. Weekends and holidays may be busier — consider visiting on a weekday for a quieter experience.
What should I bring to Gold Fork Hot Spring?
Essentials for Gold Fork Hot Spring: swimsuit, towel, water bottle, warm layers for before and after soaking, camping gear, a trash bag to pack out what you pack in. The water is over 110°F — test the temperature before entering and watch for scalding near the source.