Piscataway Park was the first park in the nation established to conserve a viewshed. It is across the Potomac River from Mount Vernon, George Washington’s ancestral home, and was protect the view from his porch, so that it might maintain the look of the region familiar to his time and era. It also encompasses an area known as the Moyaone Reserve, a semi-planned community with restrictive planning regulations, designed to safeguard a