The Lower Oder Valley International Park is a shared German-Polish nature reserve.

It comprises the western banks of the Oder (Polish: Odra) river within the Uckermark district in the German state of Brandenburg as well as the steep eastern banks in the Gryfino and Police counties of the Polish West Pomeranian Voivodeship further north.

The German part of the core area is the Nationalpark Unteres Odertal (Lower Oder Valley National Park).

By decision of the German-Polish Environmental Council in 1992 the German, Polish and Brandenburg environment ministers as well as the voivode of Szczecin created the Lower Oder Valley International Park.

The flat western shore of the Oder features several levees, which in order to control the water level and to prevent highfloods are regularly opened in winter and spring.