Roaring Bull is a solitary rock formation rising from the waters of the Northumberland Strait off of just off the coast of Sinclairs Island. It has long served as a navigational reference point for local fishers, boaters, and coastal residents. Its exposed position in open water means it is often surrounded by choppy seas, a characteristic that likely contributed to its evocative name.
Sinclairs Island, is a popular summer vacation area located along the Northumberland Strait in the community of Chance Harbour.
The 1879 Little Harbour Map is one of the several maps included in the 1879 Historical Atlas of Pictou County. It shows the basic topographic features of the community along with with prominent land owners and locations of buildings. The section 14 map also contains the communities of Melmerby Beach, Chance Harbour, Black Point, Sinclairs Island, Hillside, Woodburn, and Pine Tree..