Tlustá Berta, Mravenčí věž 5+

- Do not interfere with vegetation on the rocks, do not remove stones, do not clean cracks - Do not disturb nesting birds, respect restrictions, use marked accesses - Magnesium and chemical agents are prohibited, climb on dry rock in daylight - Do not use belay devices that damage the rock, hard shoes, do not leave public goods - No jumping between massifs and towers - Slackline prohibited - First ascents on some rocks are subject to restrictions - see Nature Protection Document: General Measures 2021

Nature Conservation: Climbing allowed all year round. Nature Conservation Document: General Nature Measure 2021, map 2021, authority OP Administration of NP Czech Switzerland

- Do not interfere with vegetation on the rocks, do not remove stones, do not clean cracks - Do not disturb nesting birds, respect restrictions, use marked accesses - Magnesium and chemical agents are prohibited, climb on dry rock in daylight - Do not use belay devices that damage the rock, hard shoes, do not leave public goods - No jumping between massifs and towers - Slackline prohibited - First ascents on some rocks are subject to restrictions - see Nature Protection Document: General Measures 2021

Nature conservation: Climbing permitted year-round. Nature Conservation Document: General Measure 2021, map 2021, authority Nature Conservation Administration of the Bohemian Switzerland National Park

• Escalade de jour uniquement.
• Moulinette uniquement si elle n'abîme ni le rocher ni l'équipement fixe (dégaine personnelle en relais, pas de frottement de corde sur le rocher).
• Les sauts ne sont pas autorisés.
• Premières ascensions uniquement avec l'accord du gestionnaire (rive droite : spravce-labak-pravy@seznam.cz).
• L'équipement fixe non approuvé est interdit.

Some crags are closed from 1 February to 30 June for nesting birds. Respect local signs and any extended closures; current status in the ČHS crag database.

Les règles de la ČHS pour l'escalade dans les zones de grès de Bohême s'appliquent.

• La magnésie est interdite.
• Pas de protections métalliques (friends, coinceurs, pitons) – seulement des sangles, des nœuds et des « UFO » textiles entre les anneaux.
• Uniquement sur rocher sec – le grès mouillé ramollit et casse.
• Ne pas modifier la surface du rocher.
• Rappel depuis les anneaux de sommet.

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.