Old small Power Plant "de la Trave" (which no longer works) and its dam. View taken of a bridge road D 222, in the north-east of the center of the town of Préchac (Gironde, France). This plant is located on the left bank of the river and opposite the ruins of the Castle : Château de la Trave (monument). The drop is about 6 meters. The river isthe Ciron, here in April, 2016.