Grandson, Ger. Grandsee, town (1990 pop. 2,473), Vaud canton, W Switzerland, at the southwestern end of the Lake of Neuchâtel. An important town in the Middle Ages, Grandson is known chiefly as the scene of the defeat (1476) of Charles the Bold of Burgundy by the Swiss Confederates. Cigars are made there today. It has a noted Romanesque-Gothic church. The town is also known as Granson.