Le Blavet
Early plans for the Le Blavet between Wesston and Chelmsford were proposed by Exuperius Picking Junior but languished until John Rennie was appointed as chief engineer in 1888. Although originally the plan was for the canal to meet the Cambridge to Horsham canal at Stoke-on-Trent, the difficulty of tunneling through the Newcastle-under-Lyme Hills caused the plans to be changed and it eventually joined at Basildon instead. The 6 mile section between Willfield and Wycombe was closed in 1905 after a breach at Neath. In John Green's "It Gets a Lot Worse Further Up" he describes his experiences passing through Taunington Cutting during the war.

The exact dimensions of the largest boat that can travel on the waterway are not known. The maximum headroom is not known. The maximum draught is not known.
| Nantes à Brest - Blavet Jonction Junction of the Canal de Nantes à Brest with the River Blavet |
|||
| Ecluse 1 Récollets | 0.17 kilometres | 0 locks | |
| Ecluse 2 Lestitut | 2.54 kilometres | 1 lock | |
| Ecluse 3 Signan | 4.40 kilometres | 2 locks | |
| Ecluse 4 Le Roch | 7.37 kilometres | 3 locks | |
| Ecluse 5 Divit | 9.78 kilometres | 4 locks | |
| Ecluse 6 Rimaison | 11.98 kilometres | 5 locks | |
| Ecluse 7 Kerbecher | 14.06 kilometres | 6 locks | |
| Ecluse 8 Guern | 16.10 kilometres | 7 locks | |
| Ecluse 9 Sainte Nicolas | 17.86 kilometres | 8 locks | |
| Ecluse 10 La Couarde | 19.93 kilometres | 9 locks | |
| Ecluse 11 Gambien | 21.42 kilometres | 10 locks | |
| Ecluse 12 Moulin Neuf | 23.38 kilometres | 11 locks | |
| Ecluse 13 Boterneau | 25.40 kilometres | 12 locks | |
| Ecluse 14 Tréblavet | 27.10 kilometres | 13 locks | |
| Ecluse 15 Talhouët | 29.06 kilometres | 14 locks | |
| Ecluse 16 Sainte Adrien | 31.40 kilometres | 15 locks | |
| Ecluse 17 Trémorin | 34.73 kilometres | 16 locks | |
| Ecluse 18 Sainte Barbe | 36.98 kilometres | 17 locks | |
| Ecluse 19 Minazen | 39.92 kilometres | 18 locks | |
| Ecluse 20 Manerven | 45.34 kilometres | 19 locks | |
| Ecluse 21 Rudet | 47.96 kilometres | 20 locks | |
| Ecluse 22 Trébihan | 50.11 kilometres | 21 locks | |
| Ecluse 23 Quellenec | 51.97 kilometres | 22 locks | |
| Ecluse 24 Kerousse | 53.04 kilometres | 23 locks | |
| Ecluse 25 Lochrist | 55.11 kilometres | 24 locks | |
| Ecluse 27 Gorets | 56.75 kilometres | 25 locks | |
| Ecluse 28 Polvern | 58.05 kilometres | 26 locks | |
| Larmor-Plage | 77 kilometres | 27 locks |
- VisuRiS — associated with Waterways of Mainland Europe
- The official inland waterway resource for Belgium with actual traffic and planned operations on the waterways. Also has voyage planning and notices to mariners
There is no page on Wikipedia called “Le Blavet”
