St. Thomas Mount railway station, or Mount railway station, is one of the railway stations of the Chennai Beach–Chengalpattu section of the Chennai Suburban Railway Network. It serves the neighbourhood of St. Thomas Mount and Pazhavanthangal, which are suburbs of Chennai. It is located at a distance of 17 km from Chennai Beach terminus, with an elevation of 11 m above sea level.The station is also an integrated railway station for all the three modes of rail transport in the city, namely, Chennai suburban railway, MRTS, and Metro Rail. The latter two are under construction.Integrated Terminus for suburban, MRTS & METROSt. Thomas Mount Metro station is a Metro-cum-MRTS railway station on the Green Line of the Chennai Metro. The station is an elevated station abutting the surface-level St. Thomas Mount suburban station of the Chennai Suburban Railway Network. The metro level of the station started functioning on 14 October 2016 while the MRTS level is under construction.The new terminal is envisaged as an integrated railway station for all the three modes of rail transport in the city, namely, Chennai Beach—Chengalpattu section of the Chennai Suburban Railway, terminal point of Chennai Beach—St. Thomas Mount MRTS, and Chennai Central–St. Thomas Mount Metro Rail.