Crawford Lake Conservation Area

A Small Meromictic Lake With A Boardwalk, A Reconstructed 15th Century Iroquoian Village, A Longhouse Museum, Forest Trails And The Niagara Escarpment, In A Conservation Area West Of Toronto. A Scientific And Heritage Stop Near The Bruce Trail, With A Ground Breaking Lake Sediment Record · Milton, Ontario

Crawford Lake Conservation Area sits on the Niagara Escarpment near Campbellville, about 20 km north-west of Milton and 60 km west of Toronto (confirm). The small lake is only about 2 hectares but about 24 m deep, so its bottom water never mixes with the top, a rare condition called meromictic. Layers of sediment on the lake floor preserve a clear record of pollen, ash and soil from past centuries, and scientists use them to study the human past and climate. A boardwalk circles the lake, and beside it stands a reconstructed 15th-century Iroquoian village of longhouses, built on the site of a real village found by archaeologists. Forest trails lead to escarpment lookouts and a link to the Bruce Trail. A discovery centre explains the lake and the village. Entry may need an advance booking, so check the Conservation Halton site first (confirm). Allow half a day for the lake, the village and one trail.

Crawford Lake Conservation Area, on the Niagara Escarpment near Campbellville about 20 km north-west of Milton and 60 km west of Toronto; coordinates approximate, Milton, Ontario, Canada

The conservation area is generally open every day from morning to late afternoon or dusk, with the Discovery Centre and the longhouse village on a shorter schedule that varies by season (confirm hours). Entry and parking may need an advance online reservation, particularly on weekends and holidays (confirm the booking system). The boardwalk is walkable all year, and winter brings snowshoeing and frozen-lake interpretation, while summer and autumn bring the village programmes and colour on the escarpment. Check hours before travelling.

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