Reckon youâ€™re fit? Looking for a space so large and open that it makes you feel tiny? Hereâ€™s the hill for you. DOC has marked out the Cairnmuir Hill Track, from Clyde to Bannockburn, with yellow marker posts. The rough (which is mostly 4WD track) traverses the Cairnmuir Mountains. The track climbs up an impressive 1100 m.