Steam is coming out of some of those bare areas on the slope. We hiked up to a frozen yellow waterfall. It is a small stream of sulfur rich water from deep below. The winter is cold enough that the yellowish water freezes to become the "Yellow Wall".
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Steam is coming out of some of those bare areas on the slope. We hiked up to a frozen yellow waterfall. It is a small stream of sulfur rich water from deep below. The winter is cold enough that the yellowish water freezes to become the "Yellow Wall".