Orillia is located in Central Ontario between Lake Couchiching and Lake Simcoe, 135 kilometres (84 miles) north of Toronto. Both lakes are part of the Trent-Severn Waterway. Travel north on Lake Couchiching, then through three locks and the only marine railway in North America leads to Georgian Bay on Lake Huron. Travelling south-east across Lake Simcoe, through many locks (including two of the highest hydraulic lift locks in the world) eventually...