The Soumagne Tunnel is the longest rail tunnel in Belgium, with a length of 6,505 metres (21,342 ft). Built on the HSL 3 line of the Belgian TGV service for Brussels-Liège-Cologne, the tunnel was completed in 2004. The new line was opened on 12 June 2009. The tunnel links the Liège conurbation with the Herve plateau at a depth of 120 metres (390 ft). Construction and outfitting of the tunnel took place from 2001 to 2005, with the first trains passing through in 2009. The entrances are at Vaux-sous-Chèvremont (50°36′12″N5°38′14″E) and Soumagne (50°36′40″N5°43′33″E)