Perkiomen Creek joins the Schuylkill River approximately 1.7 miles (2.7 km) downstream of the community of Audubon, the location of the National Audubon Society wildlife sanctuary Mill Grove Farm, once the estate of 19th-century ornithologist John James Audubon.
Perkiomen Creek converges with the Schuylkill River approximately 1.7 miles (2.7 km) downstream from the community of Audubon, which includes the National Audubon Society wildlife sanctuary Mill Grove Farm, once the estate of ornithologist John James Audubon.