river in E France, flowing from the Jura Mountains generally southwest into the Saône: c. 270 mi (435 km)
See Doubs in American Heritage Dictionary 4
A river rising in the Jura Mountains of eastern France and flowing about 434 km (270 mi) northeast to and along the French-Swiss border, into Switzerland, then back into France, where it meanders in a generally southwest course to the Saône River.