And then on again through the Folde; and through the Fenmarch, where to their right great oakwoods climbed on the skirts of the hills under the shades of dark Halifirien by the borders of Gondor; but away to their left the mists lay on the marshes fed by the mouths of Entwash.

This extension includes shallow marsh fed by an extensive system of tidal streams including Rincon Bayou, and is headed by Whites Point to the east.