July 18, 2018
Throughout Joppenbergh mountain there are cold air crevasses created as a result of the large mine collapse. They are not stable enough to explore or enter. A cool feature of these crevasses is that they emit cool air from the interior of the mountain which is hollow due to the past mining activities. The interior records the average annual temperature of a region. In this region, the average temperature is about 52° F. So, at these crevasses, the air blowing out feels cool in the summer and warm in the winter. Due to this constant temperature, during the winter you can still find plant life growing at the entrance of these fractures.
Back to Interactive Map:https://wallkillvalleylt.org/joppenbergh-interactive-map/