Arroyo Corte Madera del Presidio is a 4.1-mile-long (6.6 km)[2] year-round stream in southern Marin County, California, United States.

[3] This watercourse has a catchment basin of about 8 square miles (21 km2) and drains the south-eastern slopes of Mount Tamalpais and much of the area in and around the town of Mill Valley; this stream discharges to Richardson Bay.

[4] In 1834, the governor of Alta California José Figueroa awarded to John T. Reed the first land grant in Marin, Rancho Corte Madera del Presidio.

The Arroyo Corte Madera del Presidio watershed drains 6.12 square miles (15.9 km2) of the southeast and east flanks of Mount Tamalpais.

Historically, the Arroyo Corte Madera Del Presidio (Mill Valley) watershed was used by coho salmon (Oncorhynchus kisutch) for spawning and rearing.

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 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.