Wind River Canyon Spring
Four or five miles from Thermopolis and a few steps off South Yellowstone Road, Wind River Canyon Spring is a warm spring in Hot Springs County, Wyoming. The water is tepid, about what a swimming pool reaches in late summer. No ownership is on record and neither is any public access. The water sample on file dates to 1970.
Low country by Wyoming standards, under 4,400 feet, and dry, with about a foot of rain a year and a modest amount of snow. Temperatures average near fifty. The spring lies roadside, roughly 120 feet from South Yellowstone Road. No land unit or designation appears on file, so what the ground around it is and who manages it are open questions.
Winter shows up as the preferred stretch, and with snowfall this light that works out fine. No one has said whether walking in is legal, so treat access as an open question and ask locally. That temperature came from a 1970 survey and may not hold now. The water is mildly warm at best. No camping or fee is recorded.
The water at Wind River Canyon Spring is slightly alkaline (pH 8.0) with 812 mg/L total dissolved solids. It is notably rich in calcium (may support bone density and joint health), magnesium (known for muscle relaxation and stress relief), and sulfate (traditionally used for skin conditions and inflammation).
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Wind River Canyon Spring is road-accessible, so you can bring more gear.
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