Frankenjura - M – Krkavčí skála on Clmb House. Venue in Krkavčí skála, Skály v údolí Jizery, Jizerské hory, Czechia. Frankenjura - M is an individual climbing rock in Krkavčí skála, Skály v údolí Jizery, Jizerské hory, Czechia. The ČHS record includes sport climbing. The ČH...