Bruce Peninsula National Park
Located on the northern tip of the Bruce Peninsula between Georgian Bay and Lake Huron. Encompassing an area of 155 sq. km. it is at the end of the Niagara Escarpment and has limestone cliffs, caves, underground streams, ancient forests and rare orchids.
Fathom Five National Marine Park
Located just off the northern tip of the Bruce Peninsula it encompasses 130 sq. km and is the oldest national marine park in Canada. Consisting of 20 islands containing rare ferns and orchids and some of the oldest forests in eastern Canada. There are also 21 historic shipwrecks protected in the area.
Georgian Bay Islands National Park
63 islands comprising 13.5 sq. km situated off the southeast shore of Georgian Bay. It is a protected habitat for rare species including the Massassauga rattlesnake that lives on Beausoleil Island and is the only venomous snake in eastern Canada. The park has greatest variety of reptiles and amphibians in Canada.
Point Pelee National Park
Situated on the southernmost tip of Canada’s mainland (on the same latitude as Rome, Italy). It contains over 300 species of birds. A lengthy boardwalk gives access to marshlands with reptiles and amphibians.
Pukaskwa National Park
Ontario’s only wilderness park it is located on Lake Superior and is huge as it encompasses 1888 sq. km. Its boreal forests are home to moose, black bear, woodland caribou and wolves. Within its borders it contains spectacular vistas of Lake Superior.
Thousand Islands National Park
Formerly known as St. Lawerence Islands National Park, at only 24.4 sq km. it is one of Canada’s smallest national park's. It consists of all or part of 21 granite islands scattered from Kingston to Brockville in Eastern Ontario.
Lake Superior National Marine Conservation Area
While not a National Park in the tradional sense it still is nonetheless considered one. It stretches 140 kilometeres (87 miles) east of Thunder Bay to Terrace Bay and encompasses a lakebed area of 10,000 sq. kilometeres and 60 sq. kilometeres of islands and shoreline. It is the largest freshwater marine protected area in the world.