The Richelsley, also written Richel Ley, is an 80-metre-long and up to 12-metre-high rock formation on the edge of the High Fens, part of the Eifel Mountains...

The Richelsley, an erosion remnant of conglomerates of the Gedinne stage (deepest Lower Devonian, ca. 415 million years old), west of Monschau in the Belgian...

beds which are more resistant to erosion than the flanking clays. The Richelsley in the western North Eifel, Belgium. The Teufelsmauer ("Devil's Wall")...