Bivak - M – Obrova noha u Prostějova on Clmb House. Venue in Obrova noha u Prostějova, Drahanská vrchovina, Jižní Morava, Czechia. Bivak - M is an individual climbing rock in Obrova noha u Prostějova, Drahanská vrchovina, Jižní Morava, Czechia. The ČHS database lists 12 climbing routes.