The Dahme is a river that flows through the German states of Brandenburg and Berlin. It is a left bank tributary of the River Spree and is approximately 95 kilometres long.
Wikipedia https://en.wikipedia.org/wiki/Dahme_(river)
Address Uferpromenade, Königs Wusterhausen 15711, Germany
Coordinates 52°17'41.314" N 13°39'21.185" E