The Touch (French: le Touch, Occitan: Toish) is a 74.5 km (46.3 mi) long river in southwestern France, left tributary of the Garonne. Its source is in the département of Haute-Garonne, near Lilhac.It flows through the following départements and towns:Haute-Garonne: Bérat, Lherm, Plaisance-du-Touch, Tournefeuille, Blagnac, Toulouse.It flows into the river Garonne at Toulouse.