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List of canal tunnels in the United Kingdom facts for kids

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Canal tunnels are amazing underground passages that let boats travel through hills and mountains! Imagine digging a huge hole through solid rock just for boats – that's what engineers did many years ago to create the UK's incredible canal network. These tunnels helped connect towns and cities, making it easier and faster to move goods like coal and iron across the country. They are a big part of Britain's history and show how clever people were at solving tough problems.

Famous Canal Tunnels in the UK

The United Kingdom has many canal tunnels, each with its own story. Here are some of the most interesting ones:

Ashford Tunnel

The Ashford Tunnel is found on the Monmouthshire and Brecon Canal. It's about 375 yards (343 meters) long. What's special about it is that it gets quite narrow in the middle because of repairs. Even so, narrowboats can still pass through it easily.

Approaching the northern portal of Ashford Tunnel on the Brecknock and Abergavenny Canal
Ashford Tunnel, northern portal

Berwick Tunnel

The Berwick Tunnel on the Shrewsbury Canal is around 970 yards (887 meters) long. It's famous for being one of the first canal tunnels ever built that had a towpath running all the way through it. A towpath is a path next to the canal where horses or people would walk to pull the boats.

Berwick tunnel, the Shrewsbury canal - geograph.org.uk - 81562
Berwick Tunnel, northern portal

Blisworth Tunnel

One of the longest tunnels is the Blisworth Tunnel on the Grand Union Canal, stretching for about 3,056 yards (2,794 meters). It's a key part of the canal system in Northamptonshire.

Blisworth Tunnel southern portal
Blisworth Tunnel, southern portal

Braunston Tunnel

Also on the Grand Union Canal, the Braunston Tunnel is about 2,042 yards (1,867 meters) long. It's another important tunnel in Northamptonshire, helping boats travel through the landscape.

Braunston Tunnel
Narrowboat leaving Braunston Tunnel

Bruce Tunnel

The Bruce Tunnel is located on the Kennet and Avon Canal and is about 502 yards (459 meters) long. It's a well-known landmark for boaters on this historic canal.

Bruce tunnel stowell
Bruce Tunnel's Eastern Portal (in 1992)

Butterley Tunnel

The Butterley Tunnel on the Cromford Canal is a very long tunnel, about 3,063 yards (2,801 meters) in Derbyshire. It's a fascinating piece of engineering history.

The Butterley Reservoir Adit where it enters the Butterley Tunnel
The Butterley Reservoir Adit where it enters the Butterley Tunnel, in 2006

Chirk Tunnel

Near the town of Chirk, the Chirk Tunnel is on the Llangollen Canal. It's about 459 yards (420 meters) long and is often seen by people visiting the famous Chirk Aqueduct nearby.

Chirk Tunnel
View taken from the Chirk Aqueduct

Dudley Tunnel

The Dudley Tunnel is part of the Birmingham Canal Navigations and is quite long at 3,172 yards (2,901 meters). It's a famous tunnel that is now mostly used for boat trips, letting visitors explore its dark, historic passages.

Dudley Canal Tunnel Southern Portal
The southern portal of the Dudley Tunnel

Foulridge Tunnel

On the Leeds and Liverpool Canal, the Foulridge Tunnel is about 1,630 yards (1,490 meters) long. It's also known as the Mile Tunnel because of its length.

Southern entrance, Foulridge Tunnel
Southern portal, Foulridge Tunnel

Greywell Tunnel

The Greywell Tunnel on the Basingstoke Canal is about 1,200 yards (1,097 meters) long. It's no longer open for boats because part of it caved in. Today, it's famous for being home to Europe's largest colony of bats!

Greywell tunnel 3
The eastern portal of Greywell Tunnel on the Basingstoke Canal

Harecastle Tunnel

The Harecastle Tunnel on the Trent & Mersey Canal is a very interesting place. It actually has two parallel tunnels! One was designed by James Brindley and the other by Thomas Telford. The Telford tunnel is about 2,926 yards (2,676 meters) long.

HarecastleNorth
Northern end of Harecastle Tunnel. Telford's tunnel on the left, Brindley's the right.

Lapal Tunnel

The Lapal Tunnel is another very long tunnel, about 3,795 yards (3,470 meters), and is part of the Birmingham Canal Navigations. However, it has been disused since 1907.

Lapal Tunnel East 50pc
1955 Ordnance Survey map of the east portal of Lapal Tunnel

Netherton Tunnel

The Netherton Tunnel on the Birmingham Canal Navigations is about 3,027 yards (2,768 meters) long. It's special because it has two towpaths inside, one on each side, which was unusual for canal tunnels.

Netherton Tunnel inside northern portal dual towpath
The dual towpaths inside the northern portal of Netherton Tunnel

Newbold Tunnel

The Newbold Tunnel on the Oxford Canal is about 250 yards (229 meters) long. It's known for being illuminated, making the journey through it a bit brighter for boaters.

The recently illuminated Newbold Tunnel - geograph.org.uk - 117461
Illuminated Newbold Tunnel

Norwood Tunnel

The Norwood Tunnel on the Chesterfield Canal is very long, at 2,884 yards (2,637 meters). It runs from Derbyshire into South Yorkshire. This tunnel is currently closed, but there are plans to restore parts of its eastern end.

Norwood Tunnel Western Portal
Norwood Tunnel western portal

Sapperton Canal Tunnel

The Sapperton Canal Tunnel on the Thames and Severn Canal is one of the longest at 3,817 yards (3,490 meters). It's a significant part of the canal system in Gloucestershire.

Southern portal, Sapperton canal tunnel (uncropped)
The Coates Portal at the south-eastern end of the Sapperton Canal Tunnel.

Scout Tunnel

The Scout Tunnel on the Huddersfield Narrow Canal is a shorter tunnel, about 220 yards (201 meters) long. It's an unlined rock tunnel, meaning the natural rock forms the tunnel walls.

Scout tunnel - geograph.org.uk - 1437691
Scout Tunnel

Standedge Tunnels

The Standedge Tunnels on the Huddersfield Narrow Canal are the longest canal tunnels in the UK, measuring an incredible 5,698 yards (5,209 meters)! They connect West Yorkshire to Greater Manchester and are a true engineering marvel.

Standedge Tunnel End, Marsden, West Yorkshire
Standedge Tunnel entrance at Marsden

Wast Hills Tunnel

The Wast Hills Tunnel on the Worcester and Birmingham Canal is about 2,726 yards (2,493 meters) long. It stretches from the West Midlands into Worcestershire.

Wast Hill Tunnel Southern portal - geograph.org.uk - 151865
Wast Hills Tunnel, southern portal

Other Types of Underground Waterways

Sometimes, old mines or underground passages called adits were used for boats. An adit is a horizontal entrance to a mine.

Navigable Adits and Mine Levels

Starvationer at Ellesmere Port Canal Museum
A "Starvationer" boat at Ellesmere Port Canal Museum, showing how people would "leg" to push boats through tunnels.

Tunnels by Canal Name

Here are some tunnels grouped by the canal they are on:

Grand Union Canal

Peak Forest Canal

  • Hyde Bank Tunnel
  • Woodley Tunnel

Regent's Canal

Union Canal (Scotland)

  • Falkirk Tunnel, Falkirk
  • Roughcastle Tunnel, Falkirk. This tunnel is part of the amazing Falkirk Wheel complex.

See also

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List of canal tunnels in the United Kingdom Facts for Kids. Kiddle Encyclopedia.