How long is it?

The Huddersfield Narrow Canal is 19.75 miles (32 km) long - running from Huddersfield in West Yorkshire to Ashton-under-Lyne in Greater Manchester - 20 miles to the canal junction at Portland Basin.

How many locks?

There are 74 locks in total - 32 on the West (Ashton) side, 42 on the East (Huddersfield) side, raising the canal to 645 feet (196m) above sea level.

How many tunnels?

There are 2 tunnels:
Standedge Tunnel - the longest, highest and deepest in the country.

• Length - 3 miles 406 yds (5200m)
• Height above A.O.D. - 645 ft (147m)
• Depth - 638 ft (145m) below the Pennine moorland

Scout Tunnel - unlike Standedge, is provided with a towing path.

• Length - 220 yds (200m)

How many reservoirs?

10 reservoirs were built for the canal - 8 are sited on the summit and two (Slaithwaite and Sparth are on the East side. Their 'as built' capacities in millions of gallons are:

• Black Moss - 18.65
• Brun Clough - 8.6
• Diggle - 17.95
• Little Black Moss - 2.2
• March Haigh - 71
• Redbrook - 67.9
• Slaithwaite - 68.2
• Sparth - 8.15
• Swellands - 54.35
• Tunnel End - 22.65

Tunnel End reservoir is now closed for safety reasons.

How many aqueducts?

There are 5 aqueducts - Taking the canal over the meandering rivers

• Over the River Colne (Paddock Foot and Golcar)
• Over the River Tame (Saddleworth, Royal George and Stalybridge).

Who owns the canal?

The canal is owned by British Waterways.

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