Grizzly Fumarole — Attraction in West Yellowstone

If you like listening to the Earth screech at you then you'll enjoy this feature. We went on a dryer day, so there wasn't much surface mud popping going on. We could definitely hear the hot gases making their way to ground level though. I really enjoyed the view of the rest of the Mud Volcano Area from this point; you can just about see everything from this point including a herd of Bison if you're...

Grizzly Fumarole is one of the sulfurous hydrothermal features in the 0.8 mile Mud Volcano trail loop of Yellowstone. It undergoes striking changes, depending on recent precipitation. It turns from a thin-watered thick mud pot to a fumarole. The mudpots starts hissing hot water from far below during...

Another term: fumarole, steam vents underground is dry. Heated deep below the surface, rises up with other gases. So overall we saw dry...