Part of U Mouřenína, Mravenčí věž has 14 routes documented on climbing.place. Routes range from grade 5 to 9. Routes are listed below with grade, style, and community notes.
Common styles: Rock Climbing.
Rules
Nature conservation: Climbing seasonally prohibited from November 1st to March 31st. Nature Conservation Documents: Decision 2022-2026, Decision 2022-2026_Maps authority Nature Conservation Agency Bohemian Paradise
Climbing conditions in the Český Ráj PLA: - use public or marked paths to access the rocks and do not damage the vegetation cover - use only fixed protection and textile belay devices. - keep quiet, do not climb on wet or damp sandstone, do not disturb nesting birds - report bird nesting, wear shoes with smooth soles, or climb barefoot - do not damage or change the surface of the rocks (rope abrasion, chopping), do not remove plants and vegetation - always climb routes from below, the number of climbers in the team max. 5, do not use Top Rope - magnesium and other chemical agents are prohibited, rappel only on permanent rappel anchors - show your climbing license upon request - first ascent regime - see map polygons.Nature conservation: Climbing seasonally prohibited from November 1st to March 31st, exceptions exist for specific rocks. Nature Conservation Documents: Decision 2022-2026, Decision 2022-2026_Maps authority Nature Conservation Agency Bohemian Paradise
The site operator sets the conditions for climbers (entry, permits) – check them before you go.
- Chalk is banned.
- No metal protection – fixed gear and textile protection (slings, knots) only.
- Climb ground-up and on dry rock only.
- Parties of no more than 5 climbers.
- Abseil only from fixed anchors.
- Reach the crags only on public and marked paths.
- Do not damage the rock or plants, do not disturb nesting birds and keep noise down.
- First ascents usually need prior approval.
On most rocks climbing is allowed only from 1 April to 31 October. Check current status and exceptions (hruboskalsko.cz, ČHS crag database) before you go.