Seine River is a multiplayer map in Call of Duty 3. Seine river was released on May 31, 2007 with the Bravo Map Pack. The Map Pack cost 800 Microsoft Points and along with Seine River included the maps Aller Haut and Rimling.
Seine River is unique but it does have of similarities with the Campaign mission Chapter 5 "Mayenne". This is one of the few maps that takes place at night.