The McHenry Dam is the only dam on the Fox River (Illinois, USA) that is serviced by a lock system. It is located in McHenry County, Illinois and was built in 1907. The Fox River is a tributary of the Illinois River in the states of Wisconsin and Illinois in the United States. ... Official language(s) English Capital Springfield Largest city Chicago Area Ranked 25th - Total 57,918 sq mi (149,998 km²) - Width 210 miles (340 km) - Length 390 miles (629 km) - % water 4. ... Canal locks in England. ... McHenry County is located in the U.S. state of Illinois. ... 1907 (MCMVII) was a common year starting on Tuesday (see link for calendar) of the Gregorian calendar (or a common year starting on Wednesday of the 13-day-slower Julian calendar). ...
The lock operates for all powered, sail driven, or paddle propelled canoes or boats, even float tubes, at no charge.