Part of Zimořský důl - východní část, Kostnice has 8 routes documented on climbing.place. Routes range from grade 1 to 6. Routes are listed below with grade, style, and community notes.
Common styles: Rock Climbing, Textile belay.
Nature conservation: Climbing permitted on rocks within the Protected Landscape Area in defined polygons and on rocks outside the Protected Landscape Area. Nature Conservation Document: Decision 2020, maps authority Nature Conservation Agency Kokořínsko1d