Part of Císařské údolí, Okno has 5 routes documented on climbing.place. Routes range from grade 5 to 6. Routes are listed below with grade, style, and community notes.
Common styles: Rock Climbing.
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.