Reynoldston is a former settlement in Upstate New York or sometimes referred to as Northern New York, United States. Located in the township of Brandon in Franklin County, Reynoldston sits along the Deer River at 1258 ft above sea level, or about 1000 ft above the St. Lawrence River Valley. It is in the northern foothills of the Adirondacks. At its peak, circa 1920, Reynoldston had fewer than 350 inhabitants.