Fort William & Lochaber

Glenfinnan Viaduct

About

Glenfinnan Viaduct

The Glenfinnan Viaduct is an iconic landmark in the Scottish Highlands. It is renowned for its 21 arches and striking size over the River Finnan. It was completed in 1901 using groundbreaking mass concrete construction by “Concrete Bob” Alpine, and carries the scenic West Highland Line. It is also recognised for “the bridge to Hogwarts” in the Harry Potter films and is a popular tourist destination, particularly in the summer when the Jacobite Steam Train, or the Hogwarts Express passes over. While visitors are not able to walk on the operational railway, there are several viewpoints that provide amazing views of this engineering marvel set against the stunning Highland landscape.

Things to see & do

Walk to the main viaduct viewpoint (20 mins from car park)
Explore the NTS Visitor Centre
Watch the Jacobite Steam Train cross the viaduct (seasonal)
Walk down to Loch Shiel for reflections
Visit the Glenfinnan Monument on Loch Shiel shores
Combine with Fort William and Glencoe on a full day

FAQs

Is the Glenfinnan Viaduct the Harry Potter bridge?

It is. The Hogwarts Express crosses the Glenfinnan Viaduct in the Harry Potter films. It carries the West Highland Railway and curves across the glen above Loch Shiel, one of Scotland's most recognisable views.

When was the Glenfinnan Viaduct built?

It was built between 1897 and 1901 for the West Highland Railway extension to Mallaig. At 380 metres long and 30 metres high at its tallest point, it was made from mass concrete, an innovative technique for its day.

Can you walk to the Glenfinnan Viaduct viewpoint?

You can. From the car park at Glenfinnan, a well-marked path leads to the main viewpoint in around 20 to 30 minutes. The National Trust for Scotland visitor centre at the Glenfinnan Monument is close by.

When does the Jacobite Steam Train cross the Glenfinnan Viaduct?

The Jacobite Steam Train, better known as the 'Hogwarts Express', runs between Fort William and Mallaig from roughly May to October. It crosses the viaduct at around 10:45am westbound and 3:10pm eastbound. Check scotrail.co.uk for current timetables.

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Glenfinnan Viaduct

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Glenfinnan Viaduct

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Key Facts
Region
Fort William & Lochaber
From Inverness
61 miles (1hr 21mins)
From Edinburgh
107 miles (2hr 23mins)
Best time to visit
Year-round; Jacobite steam train crosses May–October for the iconic shot
Location
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Glenfinnan Viaduct
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Fort William & Lochaber

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