Part of Pod hradem, Boule has 5 routes documented on climbing.place. Routes range from grade 7 to 8+. Routes are listed below with grade, style, and community notes.
Common styles: Route on sun.
Rules
The ČHS rules for Czech rock areas and the local regional commission's rules apply: do not alter the rock or holds, do not climb on wet rock, and follow ČHS principles for first ascents.