Demodera is a town in the central highlands of Sri Lanka, located in the Badulla District of Uva Province.
t is served by railway station of the Sri Lanka Railways on the Badulla branch. There is a spiral at this location. It is easily visible from the Demodara railway station. This involves a tunnel which actually runs beneath the Demodara railway station. On the track which exists, the tunnel winds around a mountain, continuously ascending to end up at a higher elevation on what was the mountain under which the tunnel is built.