Perch Light, Port Glasgow

Perch Light is a small lighthouse on a rock in the middle of the River Clyde, just off the shore of Port Glasgow in Inverclyde, Scotland. You cannot go inside, but it is one of the defining landmarks of this stretch of waterfront and is easy to see from the shoreside park.

What is Perch Light?

It is a cast-iron beacon tower built on a half-tide rock known simply as "the Perch". The structure is a slightly tapering, circular-section column on a four-step base, topped with a cylindrical lantern. The tower stands about 8 metres tall, with the light roughly 7 metres above the water. It shows a fixed green light with a range of around 9 nautical miles, marking the channel for ships heading upriver towards Glasgow.

What is its history?

The light was established in 1861 by the Clyde Lighthouses Trust, the body responsible for marking the river for shipping. A second light was set up at Steamboat Quay at the same time, and both were chequered cast-iron towers. The Perch was fed with gas piped out from the shore after the Trust built its gasworks there. The Canmore record describes the present tower as dating from around 1890, reached by a ladder from the rock and painted to match the West Quay shore light.

How do you get there and where can you see it from?

The light stands just offshore, opposite Coronation Park in Port Glasgow. There is no walking access and no entry: it is a working navigation aid on a rock that the tide covers. The best views are from the promenade and the park. Trains run from Glasgow Central to Port Glasgow on the Gourock line in about 35-40 minutes, and by car it is reached via the A8. The town centre station is a short walk from the waterfront.

What else is nearby?

Pair the visit with a walk along the waterfront and look for Port Glasgow's second light, Steamboat Quay, a taller (about 11 m) tower on dry land. Newark Castle, a 15th-17th century riverside residence, is close by, and the town has a long shipbuilding heritage. Views take in river traffic and the hills across the Firth of Clyde.

When should you visit?

The light can be seen all year. Sunrise and sunset give the best photographs, and at high tide the rock almost vanishes, so the tower appears to rise straight out of the water. After dark you can spot its green light. Bring a waterproof, as the weather on the Clyde changes quickly.

Frequently asked questions

Can you go inside Perch Light? No. It is a small navigation beacon on a rock in the river, reached only by ladder from the rock, and it is not open to visitors.

Where is the best place to see it? From the waterfront and Coronation Park in Port Glasgow, almost directly opposite.

How tall is it? The tower is about 8 m, with the light about 7 m above the water.

Does it light up at night? Yes, it shows a fixed green light visible up to about 9 nautical miles.