An amazing canyoning experience conveniently located kotor bay area skurda canyon is a geological feature carved out of the mountain of st john which stands to the east of of kotor the skurda river runs almost perfectly vertically down into the bay of kotor and has carved an intricate channel with smooth striated rock faces on three sides and sometimes four as the canyon becomes a vertical tunnel at some points during summer months the canyon dries almost completely and can be navigated by