The creek's name is derived from the community of Mimico, which is from the Ojibwe word omiimiikaa meaning "abundant with wild pigeons" (c.f.

[citation needed] The watershed of 77 square kilometres (30 sq mi)[3] lies between the Humber River to the east and Etobicoke Creek to the west.

[4] The creek begins in Brampton, and flows through the community of Malton (now part of Mississauga); it continues southeast, past Toronto Pearson International Airport; and through a shallow valley surrounded by the urban neighbourhoods of Islington and Mimico.

Mimico Creek crosses Bloor Street near the Islington Subway Station, and empties into Lake Ontario about 1,000 metres (3,300 ft) west of the mouth of the Humber River.

[3] In 1994 Mimico Creek Bridge opened to allow pedestrians to access both east and west sections of the park.