Perch Light, Port Glasgow

The Perch Light stands on a small, rocky tidal islet called The Perch in the Firth of Clyde, just off the southern shore near Port Glasgow. It sits about ninety metres from the harbour works, visible only when the tide is low. The iron tower rises from a stepped stone base that appears only at ebb. Historic Scotland dates the structure to the 1860s, though some sources suggest the 1890s, yet both agree it remains largely unchanged. Historic Environment Scotland recognises the light as a Category B listed building, marking its national importance. The tower itself is a slender, cast-iron cylinder painted in black-and-white checks. A balcony with triangular glass panes supports a domed lantern at the top. A steel stairway links the islet to the lantern platform, giving access to the light that once guided vessels into the Clyde. Visitors see a compact iron tower standing on bare rock when the tide recedes. The stepped stone base and check-patterned shaft contrast with the taller West Quay lighthouse a short distance downstream. The scene combines industrial simplicity with the shifting tides of the river, offering a quiet reminder of the area’s maritime past.