Wikipedia
Funtensee
Funtensee is a lake in the Steinernes Meer plateau in the Nationalpark Berchtesgaden, Bavaria, Germany located on the larger of the two sinkholes of the uvala, known for record low temperatures up to 30 °C (54 °F) lower than the surrounding area. Its primary inflows are the Steingraben, Stuhlgraben and Rennergraben.