Its average elevation is around 6.7 metres (22 ft),[83] and its highest point is 60 m (200 ft).[84] Chennai is 2,184 kilometres (1,357 mi) south of Delhi, 1,337 kilometres (831 mi) southeast of Mumbai, and 345 kilometres (214 mi) east of Bangalore by road. Two major rivers flow through Chennai, the Cooum River (or Koovam) through the centre and the Adyar River to the south. A third river, the Kortalaiyar, travels through the northern fringes of the city before draining into the Bay of Bengal, at Ennore.