The summit of the Huddersfield Narrow Canal is the highest in the country. But what about the second highest, third highest, etc? For comparison, this page lists those canal summits that are over 100m or 350 feet above sea level.
| Canal | Height | Summit Location | Length | ||
| Huddersfield Narrow Canal | 645ft | 197m | Diggle to Marsden | 4 miles | 6.4km |
| Rochdale Canal | 600ft | 183m | West Summit to Longlees | 0.8 miles | 1.3km |
| Glamorganshire Canal (abandoned 1898) | 549ft | 167m | Merthyr Tydfil to Cyfarthfa | 0.3 miles | 0.5km |
| BCN Essington Branch (abandoned 1830) | 533ft | 162m | Essington Locks to Essington Wood Colliery | 0.3 miles | 0.5km |
| Macclesfield Canal | 518ft | 158m | Bosley to Marple Junction | 16 miles | 25.7km |
| Peak Forest Canal | 518ft | 158m | Marple Junction to Bugsworth Basin | 6.8 miles | 10.9km |
| BCN Titford Canal | 511ft | 156m | Oldbury Top Lock to Causeway Green | 1.8 miles | 2.9km |
| BCN Wyrley Branch (abandoned 1954) | 503ft | 197m | Sneyd Locks to Great Wyrley | 4.2 miles | 7.7km |
| Leeds and Liverpool Canal | 487ft | 149m | Greenberfield to Barrowford | 6 miles | 9.7km |
| Caldon Canal | 484ft | 146m | Stockton Brook Top Lock to Hazelhurst / Leek | 2.5 miles / 5.3miles | 4km / 8.2km |
| BCN Wolverhampton Level | 473ft | 144m | Wolverhampton to Smethwick / Park Head / Anglesey Basin / Daw End | 37 miles total | 59.5km |
| BCN Birmingham Level | 453ft | 138m | Tipton to Worcester Bar / Parkhead Junction / Hawne Basin /Swan Hill plus old loops | 19 miles total | 30km |
| Worcester and Birmingham Canal | 453ft | 138m | Worcester Bar to Tardebigge Top Lock | 14.5 miles | 23.3km |
| Stratford -on-Avon Canal | 453ft | 138m | Kings Norton to Lapworth Top Lock | 10.6 miles | 17km |
| Kennet and Avon Canal | 452ft | 138m | Crofton Top Lock to Wootton Rivers Top Lock | 2 miles | 3.2km |
| Monmouthshire and Brecon Canal | 425ft | 130m | Brynich Lock to Brecon (Brecknock and Abergavenny Canal) | 2.5 miles | 4.0km |
| Grand Union Canal, end of Welford Arm | 415ft | 127m | Welford Lock to Welford | 0.5 miles | 0.8km |
| Grand Union Canal, Leicester Section | 412ft | 126m | Foxton to Watford | 20.5 miles | 33km |
| Trent and Mersey Canal | 408ft | 124m | Etruria Top Lock to Hardings Wood / Hall Green | 5.7 miles / 7.2 miles | 9.2km / 11.6km |
| BCN Tame Valley Canal and Walsall Level | 408ft | 124m | Perry Barr Top Lock to Great Bridge / Walsall Town Basin | 12 miles | 19.3km |
| Grand Union Canal South | 395ft | 121m | Tring Summit, Bulbourne to Cowroast | 3 miles | 4.8km |
| Grand Union Canal Warwick and Birmingham | 390ft | 119m | Knowle Top Lock to Camp Hill Top Lock | 10 miles | 16.1km |
| Southern Oxford Canal | 384ft | 117m | Marston Doles to Claydon | 11 miles | 17.7km |
| Grand Union Canal Central | 360ft | 110m | Braunston Top Lock to Buckby Top Lock | 3 miles | 4.8km |
