The Sensée is a river in northern France that crosses the département of Pas-de-Calais. The source is found at Croisilles and passes through Lécluse. It joins the Canal du Nord at Arleux, which then joins the canalized Escaut at Bouchain. The average descent is 2.42%. The Sensée has many tributaries: the Cojeul, the Trinquise, the Hirondelle, ...