 At the head of this bay was one of British Columbia's main ghost towns, Port Douglas; today on its eastern shore is the rancherie (village) or the Port Douglas Band of the In-SHUCK-ch Nation.Halfway down Harrison Lake on its eastern shore is the valley of the Silver River, also known as the Big Silver River, one of its tributaries being the Little Silver.Opposite Silver River on the west shore of Harrison Lake is Twenty-Mile Bay.