Canfield Island Site

Archeological Site 36 LY 37
Canfield Island and the West Branch Susquehanna River, as seen from Bald Eagle Mountain
LocationCanfield Island in the West Branch Susquehanna River, near Williamsport, Pennsylvania
Coordinates41°14′32″N 76°57′11″W / 41.24222°N 76.95306°W / 41.24222; -76.95306
Area21 acres (8.5 ha)
NRHP reference No.82003799
Added to NRHPApril 14, 1982

The Canfield Island Site, also known as Archeological Site 36LY37, is an archaeological site in Lycoming County, Pennsylvania, United States. Located on Canfield Island in the West Branch Susquehanna River,:7 the site lies east of the city of Williamsport in Loyalsock Township. It is believed to have been inhabited by prehistoric Native Americans for thousands of years, with the oldest discoveries dating back to more than one millennium before Christ.