I've stood on the top of this one, about 300 m (975 ft) from the valley floor. The height of the photographed section is about 80 m (260 ft). Location Bylong NSW Australia
Taken from a distance with 1DXII 70-200mm f/2.8L II & 2xIII 400mm 1/500 f13 iso 800. Slight crop.