Stockport Flats - Hudson River Reserve, NY

Tidal Range

The average tidal range at Stockport Flats is 4.0 feet.

River Flow

Stockport Creek, one of the 10 largest tributaries to the lower Hudson, is a substantial inflow to the site. The Hudson is entirely freshwater at this site.

Geology

Stockport Flats is part of the Hudson-Mowhawk Lowlands physiographic region, made up of Cambrian and Ordovician bedrock. Soils in the area are primarily glacial till and Lake Albany clays, with substantial areas of sandy dredge soil deposits. Soils at Stockport Flats include frequently flooded soils. In addition, fine sandy loam is found at the boat launch on the north shore of the mouth of Stockport Creek. Sandy loams and gravelly sandy loams are found on Nutten Hook. Areas of sandy beach are found on Stockport Middle Ground and Gay's Point, where human traffic and wave action have eradicated intertidal vegetation.