The Wasserkuppe is the highest mountain in the Rhön range and the tallest elevation in the German state of Hesse, standing at 950 metres above sea level. It forms a prominent plateau within the Fulda district and is known as the "cradle of gliding". Great advances in sailplane development took place here during the interwar period, driven by an…The Wasserkuppe is the highest mountain in the Rhön range and the tallest elevation in the German state of Hesse, standing at 950 metres above sea level. It forms a prominent plateau within the Fulda district and is known as the "cradle of gliding". Great advances in sailplane development took place here during the interwar period, driven by annual contests. To this day, an airfield near the summit continues to be used by gliding clubs and light aircraft pilots.