Little Warm Spring
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
Little Warm Spring is a tepid spring in Sublette County, Wyoming, a long way out from Pinedale, the closest town on file at about 46 miles. The water is warm to the hand and nothing more, so this is a place to look at rather than sit in. The nearest road is a private ranch access road, and public access is not on record. That combination should shape any plan to visit.
The spring sits a few steps off a private road belonging to a ranch, at elevation in the upper Green River country. Land owner is blank on file. Winters here are long and white, with over a hundred inches of snow in a normal year and an annual mean temperature only a few degrees above freezing. Precipitation is moderate. No land unit or designation is recorded.
Winter, December through February, is what the record calls the best season, and that is hard to square with the snow totals. Treat the calendar with suspicion and check road conditions. Access runs over a private ranch road and permission is not on record. Ask before you go. Green River Lake Lodge is the closest campground listed, about seventeen miles away.
Aircraft with laser scanners measured this ground to within inches. The scan strips out trees and buildings, leaving the bare shape of the land around Little Warm Spring.
- Setting
- Canyon floor
- Steep ground climbs away on both sides of the spring.
- Highest ground nearby
- 444 ft above the spring
- Within a quarter mile, to the southwest
A slice through the ground from northwest to southeast, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about 1½ times the US average of 65. It's higher than at 33% of the springs on this site.
Heat flow measures the warmth working its way up through the ground from deep inside the earth. Where it runs high, rain and snowmelt that seep down through cracks in the rock come back up hot.
See every spring on the geothermal heat map →
Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.
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Overview The Green River Lakes Lodge is located 50 miles north of Pinedale, Wyoming. The lodge is available as a rental for day use events such as weddings, family reunions, or meetings for up to 50 guests, or as an overnight rental for smaller groups of up to 12 guests. Recreation During the summer months, hiking and horseback riding into the Bridger Wilderness and Wind River Range are popular activities enjoyed by visitors to the area. The lake is open to small watercraft only, making it...
Little Warm Spring sits at 7,403 feet above sea level, way above the mile-high mark. You may not feel the altitude strongly, but hot water still dehydrates you faster at elevation. UV is about 30% stronger than at sea level, so bring sunscreen and drink more water than you normally would.
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Little Warm Spring is road-accessible, so you can bring more gear. Cold air temperatures make a changing robe or warm layers essential.
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