Part of Děvínské polesí - Hamr na Jezeře, Mijnheer has 5 routes documented on climbing.place. Routes range from grade 2 to 6. Routes are listed below with grade, style, and community notes.
Common styles: Rock Climbing, Fixed belay, Textile belay.
Rules
On sandstone the ČHS sandstone rules apply – no chalk, no metal protection and dry rock only. On other rock the ČHS rules for Czech rock areas apply.
Much of the area lies in the Lusatian Mountains PLA. Check the ČHS crag database for any closures before you go.
6
Hladová spára
Up the crack left of the Plateau Wall under a small overhang and directly up the left… Rock Climbing Textile belay
6-
Rodná hrouda
Up the crack in the valley wall to the end. Traverse right to the edge (block), higher up… Rock Climbing
2+
Traverzová cesta
From the plateau, right downwards and traverse along the ledge to the crack, which widens… Rock Climbing