Lighthouse Index Logo

lighthouse-index

Discover lighthouses around the world

Twelve Mile Island

Chemin du Phare

Loading map...

Twelve Mile Island Lighthouse

The Twelve Mile Island Lighthouse, also known as Allen Island, has a rich history dating back to the mid-19th century.

History

  • The lighthouse was constructed in 1858 by the Canadian government to aid navigation on Lake Ontario.
  • It played a crucial role in maritime safety during the Great Lakes' busiest shipping era.

The lighthouse was designed by renowned Canadian architect James Douglas.

Architecture

  • The Twelve Mile Island Lighthouse stands at an impressive height of 30 meters (98 feet) above the lake's surface, with a focal height of approximately 40 meters (131 feet).
  • The tower is constructed from local limestone and features a distinctive octagonal shape.

Light Characteristics

  • The Twelve Mile Island Lighthouse emits a fixed white light, visible from a range of approximately 12 nautical miles (22 kilometers) in all directions.
  • The light's pattern is a steady, rotating beam that changes direction every 30 seconds to provide maximum visibility for mariners.

Current Status

  • The lighthouse remains an active aid to navigation, although it has been partially automated since the mid-20th century.
  • While still operational, the lighthouse no longer serves as a primary navigation aid due to advances in technology and the construction of more modern aids to navigation.

Location and Accessibility

  • Located on Twelve Mile Island in Lake Ontario, approximately 12 miles (19 kilometers) north of Kingston, Ontario, Canada.
  • The lighthouse is accessible via Chemin du Phare. Visitors can reach the island by boat or kayak, with parking available at the nearby town of Pontiac.

Heritage Status

  • The Twelve Mile Island Lighthouse has been recognized as a historic site under the Canadian Historic Sites Act.
  • The lighthouse and its surrounding structures are listed on the Registry of the National Historic Sites of Canada.

Notable Historical Events

  • During World War II, the Twelve Mile Island Lighthouse played a significant role in the Allied war effort.
  • In 1942, the lighthouse was used as a communication relay station for naval vessels operating in the Great Lakes.
  • The site's strategic location allowed it to intercept and transmit vital information between naval forces.

Details

NameTwelve Mile Island
CityPontiac
CountryCanada
Coordinates45.48927, -76.020676
ArchitectJames Douglas
Current useActive aid to navigation