Porte de Charenton (French pronunciation: ​[pɔʁt də ʃaʁɑ̃tɔ̃]) is a station on line 8 of the Paris Métro. The station opened on 5 May 1931 with the extension of the line from Richelieu - Drouot for the Paris Colonial Exposition, held in the nearby Bois de Vincennes. It was the southeastern terminus of the line until its extension to Charenton - Écoles on 5 October 1942. It is named after the Porte de Charenton, a gate in the nineteenth century Thiers wall of Paris on the road to Charenton-le-Pont. An interchange with Paris tramway Line 3a opened on 15 December 2012.