Mount Akhun is a stand-alone mountain in the Khostinsky City District of Sochi between the Matsesta and Khosta rivers. The peak of Greater Akhun is 663 metres (2,175 ft) above sea level. Its summit is marked by a 100-foot-tall Romanesque tower. It was built in 1936 from limestone ashlar. The tower offers panoramic views of the Western Caucasus. The entire massif contains about 20 caves. The forests support 200 species of higher plants.