Gas Vents Southeast Of Mary Lake
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
Gas Vents Southeast Of Mary Lake is a backcountry thermal point in Yellowstone National Park, Gallatin County, Wyoming, more than seven miles from the Grand Loop Road. The record says hot and gives no number. There is no water sample and no photo. West Yellowstone is the nearest town on file, roughly ten miles. The land is National Park Service and access is open, but getting there is a long walk into the park.
Around seven and a half miles from the Grand Loop Road, with no route described on the record. Elevation is about 8,500 feet, well up into the park's high ground. Snow on file runs close to a hundred and forty-five inches a year and the average temperature sits right around freezing. National Park Service land in the Yellowstone backcountry.
The record gives no best months. At this elevation and snow total, the timing is set by snow and by the park's backcountry rules. Indian Creek Campground is listed as the nearest camping, twenty-one miles or so away. Temperature is not measured, so keep a distance and do not plan a soak around it.
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 Gas Vents Southeast Of Mary Lake.
- Setting
- Open ground
- Flat, open ground all around.
- Highest ground nearby
- 22 ft above the spring
- Within a quarter mile, to the east
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.
Landsat's thermal camera passed over on a clear winter day, February 21, 2020. This spring's heat shows up from about 440 miles up. The brightest yellow marks the warmest ground, roughly 19°F warmer than the land around it.
Drag to compare. The view is about 2½ miles across, and each thermal pixel covers roughly 300 feet of ground, so individual pools blur into one warm patch.
Thermal: Landsat 8/9 surface temperature, USGS (public domain), via Microsoft Planetary Computer. Aerial: USGS The National Map. More springs seen from space.
That's about twice the US average of 65. It's higher than at 78% 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 Located about eight miles (13 km) south of Mammoth Hot Springs on the road to Norris, Indian Creek Campground—elevation 7,300 feet (2225 m)—sits near the base of the Gallatin Mountains and offers breathtaking views of Electric Peak. The area offers easy access to fishing and hiking. The campground is away from the main road and provides a quieter, more primitive, experience than many other locations. For reservations at the campgrounds managed by Yellowstone National Park Lodges (Fi...
At 8,500 feet, Gas Vents Southeast Of Mary Lake is in high-altitude territory where the air is noticeably thinner. Soaking in hot water accelerates dehydration and can amplify altitude effects like headache and fatigue. UV radiation is roughly 34% stronger here. Wear sunscreen even on overcast days and take breaks from the water to rehydrate.
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Gas Vents Southeast Of Mary Lake requires a hike to reach, so pack light but prepared. Cold air temperatures make a changing robe or warm layers essential.
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