Lightfoot Hot Springs surfaces at 133 degrees Fahrenheit in the Sawtooth National Forest east of Fairfield, with a measured pH of 8.8 and low calcium content of just 1.7 milligrams per liter. The water is sodium-dominated and alkaline, a chemistry fingerprint that points to deep circulation through volcanic rock.
Camas County's mountain terrain surrounds this spring at 5,802 feet, where the Sawtooth foothills give way to rolling meadows along Big Smoky Creek drainage. Snow buries this country -- 129 inches annually -- and the air averages just 42 degrees year-round. The spring sits 375 meters off Carrie Creek Road, a walk through forest that follows the scent of sulfur and warm minerals. Summer brings wildflowers to the clearings; by October, the first heavy snowfall arrives.
History of Lightfoot Hot Springs
The alkaline chemistry here tells a geological story: water descends miles into fractured granite and rhyolite along the Idaho Batholith, absorbs heat and sodium, then rises along fault zones. The discharge is modest at 0.01 cubic feet per second, more a seep than a flow. USGS measurements confirm a temperature of 56.6 degrees Celsius, consistent with the 1980 NOAA survey data of 133 degrees Fahrenheit.
Bowns Campground sits 5.3 kilometers away along Big Smoky Creek with 10 first-come, first-served sites, picnic tables, fire rings, and seasonal drinking water. The road in is unpaved and may be impassable during spring snowmelt or after storms. Water temperature at the source is far too hot for direct soaking -- seek downstream pools where creek water provides cooling. Access is seasonal, roughly June through October.
Is Lightfoot Hot Springs worth visiting?
Best for
- Hot spring soaking
- Overnight camping trips
Lightfoot Hot Springs is well suited for hot spring soaking and overnight camping trips.
Annual Precip: 26.8 in
Annual Snow: 129.0 in
December
Air 20°F · Water 133°F · +113° contrast
January
Air 23°F · Water 133°F · +111° contrast
February
Air 25°F · Water 133°F · +109° contrast
December offers 48°F more contrast than July
Recent Temperature
133.9°F
(56.6°C)
Measured Oct 14, 1977
Discharge
0.01 ft³/s
Measured Oct 14, 1977
The water at Lightfoot Hot Springs is alkaline (pH 8.8).
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
Bowns Campground, located 25 miles east of Featherville and 18 miles north of Fairfield, is a developed campground composed of 10 units along Big Smoky Creek. Two of the camp sites are double family units. Camping, fishing, hiking, and picnicking are popular activities. Campground amenities include picnic tables, fire rings, drinking water (seasonally) and restrooms. Miller Creek Trail (#087) starts just south of the campground and is open to motorcycles.
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 Bowns Campground
Trash bag
Pack out what you pack in
Water shoes
Hot ground near source
17 miles from Fairfield, ID
USGS Quad: BOARDMAN CREEK 7.5 · PP 492: 134.0 · NOAA: 10.0 · AMS Map: HAILEY
What is the water temperature at Lightfoot Hot Springs?
Lightfoot Hot Springs has a water temperature of 133°F (56°C). This is considered a hot spring, well above body temperature.
Where is Lightfoot Hot Springs located?
Lightfoot Hot Springs is located in Camas County, Idaho at 5,802 feet elevation, near Fairfield. Coordinates: 43.6050°N, 114.9480°W.
How do I get to Lightfoot Hot Springs?
Lightfoot Hot Springs has Short Walk road access, with the nearest road being Carrie Creek Road (0.2 mi from the road).
Is Lightfoot Hot Springs free to visit?
Lightfoot Hot Springs has Open access. It is managed by US Forest Service.
Can I camp near Lightfoot Hot Springs?
Yes, Bowns Campground is located nearby (3.3 miles away).
What minerals are in the water at Lightfoot Hot Springs?
Water chemistry analysis shows the presence of pH, Calcium, Sodium, Sulfate, Chloride. The pH is 8.8 (alkaline).
Is it safe to soak at Lightfoot Hot Springs?
At 133°F, Lightfoot Hot Springs is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Always tell someone your plans before visiting remote hot springs.
Is Lightfoot Hot Springs crowded?
Lightfoot Hot Springs sees varying levels of visitors depending on the season and day of the week.
What should I bring to Lightfoot Hot Springs?
Essentials for Lightfoot Hot Springs: 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.