seligenthal, germany - 08 19 2020: wahnbachtalsperre, reservoir monitoring tower

water reservoir lake shore river sea reflection coast pond waterway cove landscape terrain nature vacation fjord wahnbachtalsperre bonn built 1950s flood prevention fresh reserve located bad honnef siegburg dam seligenthal main source large covering valley habitat fish rivers direct connected sieg kapara nigswinter remagen neuenahrahrweiler germany 2020 summer north top waterside tower reflected calm cloud reflections ladder floating platform birds rhine monitoring 2020: bonn reserve seligenthal birds influencing königswinter neuenahr-ahrweiler side rhine