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Welcome to the Blackstone Lake Association website. This site is under development.Blackstone Lake is located in the Township of the Archipelago, Ontario, Canada, at approximately 45° 14' North, 79° 51' West, 15 km south of Parry Sound, 8 km west of Highway 400, and 10 km east of Massassauga Provincial Park. Blackstone Lake is labelled on the official Ontario Road Map (N-25).
Blackstone is a clean body of water, about 5 km by 3 km, with 35 km of shoreline, 40% of which is crown land. Containing nine islands, the lake covers 515.6 hectares, or approximately 210 acres. The average depth is 20.1 meters, with a maximum depth of 58 meters.