Part of Modřín, Big blok has 4 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, Textile belay, Danger.
Rules
Nature protection: Tower and surroundings closed from February 23 to June 30 due to peregrine falcon nesting.
OVK: Magnesium is limited according to sandstone rules, first ascents only with the consent of the administrator.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.
5+
Tudy, seržo
Through a crack and wall in the middle of the right valley wall n. v. Rock Climbing Textile belay
6-
Biobagr
Through the middle of the valley wall to the wave, left into the corner and thus n. v. Rock Climbing Danger