Kalevi Ensio Aho (born 9 March 1949) is a Finnish composer.
Luosto is a fell in Finnish Lapland, in the Sodankylä municipality. It is about 510 metres (1,670 ft) high. It is part of Pyhä-Luosto National Park. There is a weather radar operated by the Finnish Meteorological Institute on the fell top. The Luosto ski resort and amethyst mine are nearby.
Kalevi Aho's 12th symphony is written in inspiration of this fell.