The river's total length is 25.3 miles (40.7 km), of which 18.8 miles (30.3 km) are in Massachusetts.[1] It drains a watershed area of about 95 square miles (250 km2), containing 67 lakes and ponds, 38 of which cover at least 10 acres (4.0 ha). Only one lake in its basin is larger than 500 acres (200 ha), namely Lake Chaubunagungamaug (Webster Lake) in Webster, Massachusetts at 1,195 acres (484 ha).
French River was so named from a settlement of French Protestants in Oxford.[2]
^U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed April 1, 2011