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Hiking Routes in Alaska's Wrangell-St. Elias National Park
Wrangell-St. Elias National Park, Alaska

Tolosona Mud Volcanos

Trip Details
Location
Alaska DNR
Trip Type:
Day Trip
Difficulty
Easier
Duration:
1-1.5 hrs
Distance
2.5 mi.
Elevation Gain
349 ft
Maps
USGS Valdez C-2
Season
Mid May - October
Challenges
A few rocky spots requiring attention to footing

A fairly easy hike to an interesting geological phenomena - the Tolsona Mud Volcanoes. Kids will love this one. The mud "volcanoes" are created by methane gas, which comes from coal beds, bubbling up to the surface. On their journey upwards, the bubbles pass through fine silt, some of which is carried up with the bubble all the way to the surface. When the bubbles pop at the top, the tiny load of silt particles is deposited. The mud flats have been created by the deposition of specks of silt carried up by millions of bubbles over time - an oozing monument to the power of persistence.

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