The Marsh Sanctuary is located in Mount Kisco, New York, in the heart of Westchester County. The two main highways that lead to the sanctuary are the Saw Mill River Parkway from the west and I-684 from the east. The longitude and latitude coordinates are 41°11'48.4"N 73°42'42.4"W (41.196789, -73.711765). This regional map shows the location of the sanctuary in relationship to the New York Tri-State and the general Hudson Valley area. Click here for a map of the sanctuary borders. Here for a trail map.