Sulphur caldron is a hot spring located on the grand loop road right after Hayden Valley. The bubbles keep blowing and it is a sight that will leave you awestruck. The smoke has a strange smell of Sulphur. Have never seen anything like this. You can only view it from the side...
Read moreSuch a fun place to stop at! Great for families, only thing is the rotten egg smell of the sulfur. We saw several bison there, some of which came up fairly...
Read moreJust amazing, smells bad but a great experience. Just next to the road and very close to mud volcano. Takes 5 min to stop and take pictures so...
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