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Grizzly Fumarole
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Wyoming
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Grizzly Fumarole
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No elevation data on file for this trail.
While named a fumarole, this feature will change based on recent precipitation. When dry, it is a fumarole. When it has been rainy, this feature can be a mudpot.
Mud Caldron
~0 min drive
<p>A large mudpot located near the parking area.</p>
Cooking Hillside
~0 min drive
<p>The trees on this hillside are cooked by steam.</p> <p>In 1978, an earthquake swarm occurred at Mud Volcano. The intense swarm lasted about seven months. This hillside experienced increased heat, causing the vegetation to die.</p> <p>Researchers are able to study tree rings…
Mount Washburn Spur Trail
~13 min drive
17 mi · Hard
Seven Mile Hole Trail
~13 min drive
9.9 mi · Moderate
Elephant Back Mountain Trail
~8 min drive
5.8 mi · Easy
Sizzling Basin
~0 min drive
<p>A hot spring that has existing activity much like grease on a hot frying pan.</p>
Howard Eaton Trail
~20 min drive
22 mi · Hard
Observation Peak Trail
~16 min drive
9.4 mi · Moderate
Pelican Creek Nature Trail
~10 min drive
1.3 mi · Easy
Black Dragon's Caldron
~0 min drive
<p>In 1948, Black Dragon’s Caldron burst through a crack in the earth. It uprooted and coated nearby trees with thick mud.</p> <p>Since then, this mudpot moved south 200 feet (60 m) along the crack. The spring feeding nearby Sour Lake was much more active before Black Dragon’s…
