Maps of waterways - especially by boat length accessibility? - General Boating - Canal World
Canals.UK on the App Store
Canal Network Map | Living On A Narrowboat
Pearson's Canal Companions - Official Website
Canal Information | Silsden Boats
Lockmaster maps Nos 1-14 | The Canal Shop
Narrowboat Holiday - Suggested Routes for Northamptonshire
UK canal map for last minute and late availability boating holidays
London Waterways Canal Map - Bek Cruddace Illustration
Canal maps - Chesterfield Canal Trust
Napton
Canal Routes
Open Canal Map | Free UK Canal and River map for Desktop, Android and iPhone / iPad - created through user contribution and Canal and River Trust Map Open Data
Trevor
Lock sizes on the UK waterways - Rugby Boats
Cruising on a Wide Beam Inland
Lichfield Canal Maps
Canal Maps & Guides
Canal and River Cruising Planner of Great Britain – The Narrowboat Place
National Canal and River Cruising Planner – Heron – Calder Hebble Canoe Trail
Open Canal Map – Apps on Google Play
MICHELIN Canal map - ViaMichelin
Grand Union Canal (North) Map for Download - Waterway Routes