Enlarged Erie Canal Lock No. 4 is located in the Town of Colonie, northeast of Colonie proper and southwest of Cohoes, just west of the Route 7, Interstate 787 intersection. The lock was built about 1842, and is a double-chamber, single-length lock, with a lift to the west of 11.2 feet.
Below are Google Maps of the location of Lock 4, and photos of Lock No. 4 taken in 2008 by Howard Ohlhous.
Google Earth view of the location of Erie Canal Lock 4. | Google Earth view of Erie Canal Lock 4. |
Lock E-4, looking north -- taken by Howard Ohlhous, Jan. 2008. |
For additional photos and information about Lock 4, see The Travels of Tug 44, Erie Canal - Old Lock 4.
http://www.eriecanal.org/Lock4.html