Richard Toll is a town in northern Senegal, lying on the south bank of the River Senegal, just east of Rosso. Originally a colonial town, it was named for the park of the Chateau de Baron Roger, laid out by botanist Jean Michel Claude Richard. A rice growing scheme was originally initiated by France's colonial development organisation, FIDES, in 1949 with an initial cultivated area of 6,000 hectares. The town's main industry is sugar. Estimated population 2007: 70,000.