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
Geography of New York (state) state. The river takes its rise in Otsego Lake, and, flowing southwest to the Pennsylvania line, receives Charlotte River from the south and the Unadilla River from the north. After a course of a few miles in Pennsylvania, it again enters New York and flows in a general westerly direction to near the western border of Tioga County, whence it turns south and again enters Pennsylvania. Its principal tributary from the north is the Chenango River. The Tioga River enters New York from Pennsylvania near the eastern border of Steuben County, flows north, receives the Canisteo River from the west