Lighthouse have historically been used as navigational tools for boats. Although electronic tools have become more popular, lighthouses are still exist. All the Great Lakes have lighthouses around their shores. The graphs above shows how many lighthouses can be found around each Great Lake.
Lake Michigan has the most lighthouses with over 100. Lake Ontario has the least with 35 lighthouses. Erie, Huron, and Superior all above about the same amount of lighthouse. The exact numbers can be seen in the graph above. However, these number are meant to be “best guess” estimates. It is hard to know the exact number of lighthouses.
Great Lakes Lighthouses Graph Notes:
The x-axis (horizontal part of the graph) shows the name of the Great Lake. The y-axis (vertical part of the graph) shows the number of lighthouses the Great Lakes have. The lakes are listed in alphabetical order. Great Lakes: Located in the USA and Canada, 5 interconnected fresh water lakes: Eire, Huron, Michigan, Ontario, and Superior. One of the largest surface freshwater ecosystems. Lighthouse: A tower designed to emit light from a system of lamps and lenses. It serves as a navigational aid for boats at sea or on inland waterways.
