 The park also features a pedestrian/bicycle bridge across the tidal portion of Arroyo Corte Madera del Presidio, which is the best single viewing location of the creek in its lower reaches.Slightly further upstream the stream winds through moderately dense single family development, with backyards offering terraces and decks on the banks of Arroyo Corte Madera del Presidio.The first recorded stream survey occurred in the year 1946; this survey by the California Department of Fish and Game found some healthy steelhead "(Oncorhynchus mykiss)" within the stream.