Iroquois Shoreline was the shore of the Glacial Lake Iroquois, now part of the current Burlington east before merging with the current shore at the bluffs in Scarborough, although parts of it are hardly noticable.
Iroquois Shoreline was the shore of the Glacial Lake Iroquois, now part of the current Lake Ontario. The shoreline parrallels Lake Ontario roughly 5km inland from Burlington east before merging with the current shore at the bluffs in Scarborough, although parts of it are hardly noticable.