Back Jizera MountainsDesna, 468 61 Other Historical Monuments: Sculpture Objects Related articles Hiking trip through the mountain landscape through Mariánskohorské boudy to Protržená dam If you like mountain hiking, head from Abrechtice in the Jizera Mountains towards Mariánskohorské boudy to the Protržená dam. The road is about six kilometers long and along the way you can also try to find Schiller memorial stone. Protržená Přehrada - Dam that burst open The dam on the Bílá Desná River is situated near the village of Desná, 806 metres above sea level. The structure was completed in 1915; however, in September of the following year, it burst open. Images gallery Pamětní deska Památník obětem protržené přehrady