British Canal Guide

Navigation information and characteristics of major British waterways

Grand Union Canal

137 miles 166 locks

The Grand Union connects London to Birmingham, forming the main artery of the English canal system. The southern section from Brentford to Braunston features wide locks and relatively easy cruising through the Thames Valley and Chiltern Hills.

The Leicester Arm branches north from Norton Junction, adding another dimension to this network. The northern section includes the challenging Hatton Flight of 21 locks and passes through rural Warwickshire before reaching Birmingham.

Key Features:

  • Wide locks accommodate two narrowboats or one wide beam
  • Major lock flights at Hatton (21), Stockton (10), and Foxton (10)
  • Numerous marinas and boatyards throughout
  • Braunston Tunnel (2,042 yards) and Blisworth Tunnel (3,056 yards)
  • Good facilities for water, waste, and provisions

Oxford Canal

77 miles 43 locks

Running from the Thames at Oxford to Hawkesbury Junction near Coventry, the Oxford Canal offers peaceful rural cruising through Oxfordshire and Northamptonshire. The southern section features the winding original line through farmland and villages.

The northern section from Napton to Coventry was straightened in the 1830s, creating faster cruising with long straight sections. The canal passes through historic market towns including Banbury and connects to the Coventry Canal at Hawkesbury Junction.

Key Features:

  • Narrow locks throughout, single boat width
  • Winding rural scenery in southern section
  • Napton Junction connects to Grand Union
  • Good visitor moorings in Banbury and Oxford
  • Quiet cruising away from main network traffic

Leeds & Liverpool Canal

127 miles 91 locks

The longest single canal in Britain crosses the Pennines between Yorkshire and Lancashire. This trans-Pennine route features dramatic scenery, major lock flights, and varied cruising from industrial heritage to remote moorland.

The Bingley Five Rise is the steepest lock staircase in Britain. The summit pound at 487 feet above sea level crosses exposed moorland. The canal passes through Liverpool, Wigan, Blackburn, Burnley, Skipton, and Leeds.

Key Features:

  • Wider locks than most canals, 14 feet 2 inches
  • Bingley Five Rise staircase locks
  • Wigan Flight of 21 locks
  • Exposed summit pound with weather considerations
  • Mix of urban and rural scenery

Trent & Mersey Canal

93 miles 76 locks

Connecting the River Trent to the Bridgewater Canal near Manchester, the Trent & Mersey forms a crucial link in the national network. The canal passes through the Potteries, featuring distinctive bottle kilns and industrial heritage.

The route includes the Harecastle Tunnel, one of the longest navigable tunnels in Britain. The southern section provides access to the Potteries towns, while the northern section climbs through the Cheshire countryside.

Key Features:

  • Harecastle Tunnel (2,926 yards) with timed one-way system
  • Heartbreak Hill flight of 26 locks near Burslem
  • Connections to Macclesfield, Peak Forest, and Caldon Canals
  • Industrial heritage through Stoke-on-Trent
  • Rural cruising in Cheshire

Kennet & Avon Canal

87 miles 105 locks

Linking the Thames at Reading to the River Avon at Bath, the Kennet & Avon traverses southern England through varied landscapes. The canal includes both river navigation sections and artificial cuts with impressive engineering works.

The Caen Hill Flight near Devizes consists of 29 locks in 2 miles, including a dramatic 16-lock staircase section. The route passes through the Vale of Pewsey and features the Crofton Pumping Station with historic beam engines.

Key Features:

  • Caen Hill Flight, one of Britain's most impressive lock flights
  • Mix of river and canal navigation
  • Dundas and Avoncliff aqueducts
  • Historic Bath with World Heritage status
  • Crofton Pumping Station and beam engines

Llangollen Canal

46 miles 21 locks

Branching from the Shropshire Union at Hurleston, the Llangollen Canal is considered one of Britain's most scenic waterways. The canal follows the Dee Valley into Wales, featuring dramatic engineering and mountain scenery.

The Pontcysyllte Aqueduct carries the canal 126 feet above the River Dee on a World Heritage structure. The canal continues through Llangollen to Horseshoe Falls, a weir that feeds water to the canal system.

Key Features:

  • Pontcysyllte Aqueduct, World Heritage Site
  • Chirk Aqueduct and tunnel
  • Scenic mountain and valley cruising
  • Limited locks, mostly in initial section
  • Llangollen terminus with mountain backdrop

Using This Guide

Planning Routes

Use this information to understand what each canal offers and plan journeys based on your experience level, time available, and interests.

Cruising Times

Calculate journey times by allowing one hour per mile plus 15 minutes per lock. Add extra time for flights and staircase locks.

Seasonal Factors

Some canals have winter stoppages, water shortages in summer, or weather considerations on exposed sections. Check current status before traveling.

Further Resources

Detailed navigation guides, current notices, and facility locations are available through Canal & River Trust and specialist publications.