Marmande is a commune in the Lot-et-Garonne département in south-western France. Marmande is located 35 km north-west of Agen, on t…Marmande is a commune in the Lot-et-Garonne département in south-western France. Marmande is located 35 km north-west of Agen, on the southern railway from Bordeaux to Sète. The town is situated at the confluence of the Trec with the Garonne on the right bank of the latter river, which is crossed at this point by a suspension bridge. There is a second bridge to the west of Marmande which connects the D933 from the Toulouse/Bordeaux motorway to the new by-pass, opened in July 2009, which now leads to Bergerac and the département of the Dordogne. Marmande station has rail connections to Agen, Langon and Bordeaux. Marmande ranks 481st in terms of population for the whole of France. A noted producer of tomatoes, a festival dedicated to tomatoes is held annually in July.