Gas Vent
This one is listed on the record as Gas Vent, a thermal point in Yellowstone National Park, Gallatin County, Wyoming, a short walk off the Grand Loop Road. There is no measured temperature, only the label hot. The water sample on file is strongly acidic. West Yellowstone is the nearest town at around three miles by the record. National Park Service land, open to the public.
The Grand Loop Road passes about a tenth of a mile away, which makes the vent a short walk in. Elevation is close to 7,450 feet. Cold, snowy climate on file, around a hundred and thirty-seven inches in a year. Park Service ground inside Yellowstone. Nothing on record describes the ground around it.
No season is recommended on the record, and the snow total means winter is a serious matter. Short walk, public access. Indian Creek Campground, around ten miles away, is the closest camp on record. A 2006 sample showed very acidic water and nobody has measured the temperature, so keep away from it and check current park guidance for this stretch of road.
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 Vent.
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
- Valley floor
- Gentle slopes rise on both sides.
- Highest ground nearby
- 94 ft above the spring
- Within a quarter mile, to the northeast
A slice through the ground from west to east, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about twice the US average of 65. It's higher than at 84% 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.
The water at Gas Vent is acidic (pH 3.0). It is notably rich in sulfate (traditionally used for skin conditions and inflammation), chloride (natural antiseptic with skin health benefits), and iron (iron-rich springs may support circulation).
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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...
Gas Vent sits at 7,460 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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Gas Vent is road-accessible, so you can bring more gear. Cold air temperatures make a changing robe or warm layers essential.
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