A valley step is a prominent change in the longitudinal slope of a valley, mainly in trough valleys formed by glaciers.
Literature
• Stefan Rasemann: Geomorphometrische Struktur eines mesoskaligen alpinen Geosystems. Kapitel 2.3: Reliefformen des Hochgebirges. Dissertation Rheinische Friedrich–Wilhelms–Universität Bonn, 2003, p. 77 (pdf data; 3,95 MB)