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Clarkson · Conservation Area

Rattray Marsh Conservation Area

Locals recommend: The boardwalk loop through the marsh

A 94-acre Credit Valley Conservation gem — the last remaining lakefront marsh between Toronto and Burlington. Boardwalks and woodland trails wind through wetland, forest and a cobble beach, making it a birdwatching and nature-walk favourite tucked into a quiet Clarkson neighbourhood.

Known for
Last lakefront marsh on this shorelineBoardwalk trailsBirdwatchingWoodland & shorelinePart of the Waterfront Trail
Size~94 acres
Managed byCredit Valley Conservation (CVC)
SpecialThe area's last surviving lakefront marsh
TrailsBoardwalks and woodland paths
Best forBirding, nature walks, photography
📍 594 Old Poplar Row, Mississauga, ON

About Rattray Marsh Conservation Area in Clarkson

A 94-acre Credit Valley Conservation gem — the last remaining lakefront marsh between Toronto and Burlington. Boardwalks and woodland trails wind through wetland, forest and a cobble beach, making it a birdwatching and nature-walk favourite tucked into a quiet Clarkson neighbourhood.

94-acre Credit Valley property with boardwalk trails and the area's last lakefront marsh.

Rattray Marsh Conservation Area is a conservation area in Clarkson, one of South Mississauga's three lakeside neighbourhoods — Lakeview, Port Credit, and Clarkson. Mature, tree-lined streets, top-rated schools, and the Clarkson GO — family living minutes from the water.