Point Clark Lighthouse
Built in 1859 by the Department of Public Works, this handsome 26 m structure is one of six "Imperial towers" on these shores. The circular limestone tower has walls 150 cm thick at the base, tapering to 61 cm at the top. The polygonal cast iron lantern originally housed a dioptric light, of the 2nd order, warning mariners of a dangerous shoal 3.2 km offshore; the light is now one of lesser magnitude serving present needs. Scarcely visible from the ground a decorative rain gutter surrounds the roof of the lantern.
Plaque via Alan L. Brown's site Ontario Plaques. Full page here.