 The western terminus of NY 374 is at a junction with U.S. Route 11 in the village of Chateaugay.Its eastern terminus is at an intersection with NY 22 north of the city of Plattsburgh.Most of the alignment of NY 374 is located in the Adirondack Park, heading along the shorelines of several large lakes in the northern part of the park, including the two Chateaugay Lakes and Chazy Lake.