Which canal is longer, the Shinnecock Canal or the Wiconisco Canal?
Shinnecock Canal:  At 4700 ft long, it connects Great Peconic Bay and the north fork of Long Island with Shinnecock Bay and the Atlantic Ocean. Wiconisco Canal: The Wiconisco Canal was a 19th century transportation waterway, about 12 mi long, in Dauphin County in the U.S. state of Pennsylvania.
The Wiconisco Canal