Part of Branná - Alojzov, Harmonium has 2 routes documented on climbing.place. Routes are listed below with grade, style, and community notes.
Common styles: Rock Climbing.
Rules
Much of the range lies in the Jeseníky PLA. Check the ČHS crag database for any restrictions.
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.