Faisant partie de Tišina a Smrk, Trojčata possède 10 itinéraires documentés sur Climbing.place. Les itinéraires vont de 1 à 6. Les itinéraires sont répertoriés ci-dessous avec des notes de qualité, de style et de communauté.
Styles courants : Rock Climbing, Traditional Climbing, Friends, Fixed belay, Laid wall.
Règles
Nature protection: Prohibition due to nesting of birds of prey until June 30.
Part of the terrain is in the Jizerskohorské Beech Forest National Nature Reserve. Climbing in the reserve is allowed year-round only on designated objects and in areas defined in the map appendix. It is not allowed to modify and change the surface of the rock, ice climbing is allowed with sufficient ice thickness in designated sectors. Drytooling is only allowed in the quarry in Oldřichov. Bird nesting must be reported. - Magnesium is only allowed from grade VIIIb of the Jizera scale.Nature protection: Climbing on rocks in NPR allowed all year round. Detailed information for individual rocks. Nature Protection Documents: NPR Jizerskohorské bučiny OOP 2021 2025, OOP 2021 maps, OOP 2021 rocks outside polygons, OOP 2021 ice, OP body CHKO Jizerské hory
- Les règles d'escalade des monts de la Jizera s'appliquent.
- La magnésie n'est autorisée qu'à partir du VIIIb (échelle de la Jizera).
Climbing in the Jizera Mountains PLA is governed by Order No. 200/1999 and OOP No. 4/2021. In zone 1 climbing off marked trails is banned except on the traditional crags listed in the OOP annex; in zone 2 climbing is allowed on all rock objects, but bouldering is not. Check the ČHS crag database.