a view of the giant mudpot area in Lassen Volcanic National Park called Bumpass Hell. sulfurous vapor rises from several places. a deep green thermal pool is in the center of the pic. an observation deck with 3 visitors can be seen at the center of the pic's right edge

a churning hot mudpot at the Sulphur Works area near the southern entrance of Lassen Volcanic National Park. the smell is nearly overwhelming from the emitted vapor.

volcanic swirling mud flowing like a primordial soup.

a churning hot mudpot at the Sulphur Works area near the southern entrance of Lassen Volcanic National Park. the smell will gag you.

#MudpotMonday, huh. well, here's some mudpot pics from Lassen Volcanic National Park.

#JBCPhotos #thermalgeeks #volcano

For us #thermalgeeks it’s mudpot Monday too, so here’s a mudpot from the #Imperial thermal group in #YellowstoneNationalPark.