Miscou Island Lighthouse, Maritime navigation landmark at Birch Point Cape, Miscou Island, Canada.

Miscou Island Lighthouse is a tapered octagonal wooden tower on Birch Point at the northern end of Miscou Island, where Chaleur Bay meets the Gulf of St. Lawrence. Its eight panels were built separately and sheathed in white-painted shingles, topped by a polygonal lantern behind an iron railing. The tower rises 24.3 metres and has four interior levels with straight stairs.

New Brunswick's government built the lighthouse in 1856 to cut the many shipwrecks in the area, while local shipbuilding was thriving and the light eased navigation between Quebec and the Atlantic provinces. James Murray of Newcastle won the construction bid. The tower was raised from 22.5 to 24.3 metres in 1903 to increase its range, and coastal erosion forced it 61 metres inland in 1946. It became a national historic site on 18 May 1974 and a recognized federal heritage building on 1 November 1991.

The structure demonstrates traditional maritime engineering with eight independent wooden panels built separately, representing construction methods from the mid-1800s. Visitors can observe how craftspeople assembled these individual pieces to create a functioning tower.

The lighthouse stands at the end of Route 113, with a parking area at its entrance and a wooden ramp giving wheelchair access. A beach can be reached by passing the lighthouse. A small creamery building, built to match the lighthouse style, stands nearby.

The first lantern burned seal oil in eight lamps with polished steel parabolic mirrors, giving a fixed red light from 1856 to 1893. It was then replaced by a rotating eclipsing lamp, and later by a 700-watt mercury vapour lamp visible up to 40 miles. The current third-order Fresnel lens arrived from England on 10 October 1856.