Deer River, NY is part of Lewis County in New York. The population is about 524 in this area. The largest school in this area is the Deer River High School. This small community has various antique shops that are popular to shop at. Flat water paddling and canoeing are popular in this area. There are guided canoe trips offered during the spring and fall months. Camping and fishing are also fun activities available. Fly- fishing is the most popular type of fishing here. Two successful businesses are the Deer River Lumber Co and the Foy Agency Inc. This small and friendly community welcome visitors all year round.