Sunflower Hot Springs

Sunflower Hot Springs is a geothermal mineral spring in Boise National Forest, Idaho, United States.

Location
The springs are located at the Middle Fork of the Salmon River in the state of Idaho. This area was used by the Shoshone and Nez Perce prior to the arrival of fur trappers, miners, and later early homesteaders. The springs are located at an elevation of 4357 ft.

Water profile and geography
The spring water emerges from the bedrock 30 feet above the river at a temperature of 149 °F. The springs have five rock pools, and part of the hot spring water cools to 102° as it cascades off a rock to create a primitive hot shower. Mineral content of the water includes calcium, potassium, magnesium, sulfate, with a pH of 8.7.