Hrádek – Skály u Cvikova on Clmb House. Venue in Skály u Cvikova, CHKO Lužické hory, Lužické hory, Czechia. Hrádek is an individual climbing rock in Skály u Cvikova, CHKO Lužické hory, Lužické hory, Czechia. The ČHS record includes traditional sandstone climbing. T...