Danube Sinkhole new headwaters of the Danube will be the Krähenbach where it currently meets the Danube ( ) and the Elta where it currently meets the Danube (). Danube Sinkhole The Danube Sinkhole ( or ) is an incipient underground stream capture in the Upper Danube Nature Park. Between Immendingen and Möhringen and also near Fridingen (Tuttlingen), the water of the Danube sinks into the riverbed in various places. The main sinkhole is next to a field named "Brühl" between Immendingen and Möhringen. The term “sinking” is more accurate than “seeping”, because, instead of just distributing into the soil, the Danube’s
Cedar Sink flowing strongly at other during high precipitation events. The main channel flow is often not at the surface throughout many parts of this region. Geocaching is also a common treasure-hunt like recreation activity in Cedar Sink. Several caches are hidden in Cedar Sink and Mammoth Caves area. Cedar Sink Cedar Sink is a vertical-walled large depression, or sinkhole, in the ground, that is located in Edmonson County, Kentucky and contained within and managed by Mammoth Cave National Park. The sinkhole measures from the top sandstone plateau to the bottom of the sink and was caused by collapse of the surface