Kisco River Kisco River The Kisco River is a creek that runs through the Mount Kisco, New York area. It is formed by the forks of Chappaqua Brook and an unnamed stream. It follows a winding course before emptying into the New Croton Reservoir at Lake Road Bridge in the town of New Castle near the hamlet of Stanwood and eventually into the Atlantic Ocean via the Croton River, the Hudson River, and New York Harbor. Its name is derived from the village of Mount Kisco, which the river flows through. The name of Mount Kisco is further derived from "seesquee", which
Portville, New York the county. Its eastern town line is the border of Allegany County, New York, and its southern town line is the McKean County, Pennsylvania, border. The Allegheny River flows through the south part of the town. Oswayo Creek joins the Allegheny south of Portville village, and Dodge Creek joins the river in the village. New York State Route 305 (running north-south) and New York State Route 417 (running east-west) pass through the town. Eldred and Ceres townships in McKean County, Pennsylvania, are south of Portville. The towns of Clarksville and Genesee in Allegany County form the eastern boundary. The town