Ebro Springs
Ebro Springs is a hot spring in the backcountry of Yellowstone National Park, about twenty-one miles from West Yellowstone as the record measures it. The water is hot enough to scald, short of boiling. Park Service land, open access, reached on foot. Photo on file.
The nearest road goes unnamed on the record and is about a mile and a third away, so this is a hike. Elevation near eight thousand feet, cold average, heavy snow. Threemile Campground is about twenty miles off.
January, December and February rank best. Hot enough to burn. Park backcountry rules apply. No fee listed. No chemistry sampled.
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 Ebro Springs.
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
- Setting
- Gentle slope
- The ground tilts gently up to the northeast.
- Highest ground nearby
- 128 ft above the spring
- Within a quarter mile, to the northeast
A slice through the ground from southwest to northeast, 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 32% 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 Threemile Campground is located just three miles from the east entrance of Yellowstone National Park, and 50 miles from the full service gateway community of Cody, in northwestern Wyoming. The area is an ideal destination for a family getaway, with many opportunities for outdoor recreation. Hard-sided camp trailers and RVs are required.Recreation Great opportunities for hiking, fishing, scenic driving and wildlife viewing are available around the campground. The North Fork of the Sho...
Ebro Springs sits at 7,838 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 31% stronger than at sea level, so bring sunscreen and drink more water than you normally would.
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Ebro Springs is road-accessible, so you can bring more gear. The water runs hot, so extra hydration is key. Cold air temperatures make a changing robe or warm layers essential.
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