Part of Ptačí stěny, Hlásný has 10 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, Textile belay, Vertical wall, Fixed belay, Damaged Route.
Rules
Nature Conservation: Climbing allowed all year round. Nature Conservation Document: Decision 2020, maps authority OP CHKO Kokořínsko1b
Ostříží stěny and the Rájec valley are closed in spring for nesting birds. Check the current dates in the ČHS crag database.
The ČHS rules for climbing in Bohemian sandstone areas apply.
- Chalk is banned.
- No metal protection (cams, nuts, pitons) – only slings, knots and textile "UFOs" between the rings.
- Climb on dry rock only – wet sandstone softens and breaks.
- Do not alter the rock surface.
- Abseil from the summit rings.
Parts of the area lie in Bohemian Switzerland National Park and the Elbe Sandstones Protected Landscape Area, where seasonal closures for nesting birds apply. Check the ČHS crag database before you go.