 Tropical glaciers are located between the Tropic of Cancer and the Tropic of Capricorn , in the region that lies 23 ° 26 ′ 22 ″ north or south of the equator . Strictly , a tropical glacier is located within the astronomical tropics ; the area where the annual temperature variation is less than the daily variation , and is within the oscillation area of the Intertropical Convergence Zone . 
