Mazinaw Lake is situated on the upper Mississippi River and is 15 km (9 mi) long and averages  a little over 1 km (0.6 mi) in width. It averages 41 m (135 ft) in depth with a maximum depth of 145 m (476 ft) making it the second deepest lake in Southern Ontario.

Bon Echo is set back in natural, untended lush conifer-deciduous forest and edged by beautiful beaches of the Mazinaw.

At the doorstep of this enchanting property is the natural wonders of Bon Echo Provincial Park and Mazinaw Lake.

Bon Echo Provincial Park is a provincial park in South Central Ontario in the spectacular Land O' Lakes region. Bon Echo features several lakes, including part of Mazinaw Lake, the second-deepest lake in Ontario. The southeastern shore of Mazinaw Lake features the massive 100 m high Mazinaw Rock, an escarpment rising out of the water.