Portage River Lighthouse

The Portage River Lighthouse has been guiding mariners through the waters of Torch Lake since its construction in 1858.

History

• Built by a local contractor, the lighthouse was originally intended as a vital aid for ships navigating the treacherous shoreline.

The Portage River Lighthouse emits a fixed white light, visible for up to 20 nautical miles (37 kilometers) in all directions.

Architecture and Construction

• The tower stands at a height of approximately 30 meters (98 feet), with a focal height of about 45 meters (148 feet).
• The structure is constructed from locally quarried limestone, with a distinctive square base and four supporting columns.
• The lantern room is topped by a pyramidal roof, adding to the lighthouse's striking appearance.

Light Characteristics

The Portage River Lighthouse remains an active aid to navigation, although its operation has been largely automated since the 1980s.

• Visitors can still access the lighthouse and explore its interior, which features exhibits on the history of maritime trade in the region.

Location and Accessibility

Located on Jacobs Street in Torch Lake Township, the Portage River Lighthouse is easily accessible by car or on foot.

The surrounding area offers scenic views of Torch Lake and the nearby forest.

Heritage Status

The Portage River Lighthouse has been designated as a historic landmark by the state government, recognizing its importance in the region's maritime history.

Notable Historical Events

• During World War II, the lighthouse played a significant role in the war effort, serving as a beacon for Allied ships navigating the treacherous waters of Torch Lake.
• The lighthouse also hosted several prominent naval vessels, including the USS Niagara, which docked at the nearby marina in 1943.