Canal du Nivernais (Main Line)

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.
It has a junction with the Canal Du Nivernais (Embranchement Vermenton) at Nivernais - Vermenton Jonction.
Notable features of the waterway include Breuilles Tunelle, Mouas Tunelle and La Collancelle Tunelle
Canal du Nivernais - Loire Junction Junction of the Canal du Nivernais and the River Loire |
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Ecluse 35 Loire | 0.80 kilometres | 0 locks | |
Pont du Avenue de 14 Juillet D481 | 1.25 kilometres | 1 lock | |
Pont de Rue de Vauzelles | 1.81 kilometres | 1 lock | |
Ecluse 34 Vauzelle | 1.83 kilometres | 1 lock | |
Pont du Rue de Champvert | 2.76 kilometres | 2 locks | |
Pont Ferroviaire Cercy la Tour a Saint-Léger des Vignes | 2.82 kilometres | 2 locks | |
Pont Pré Pillet | 3.52 kilometres | 2 locks | |
Pont Ecluse Champvert This is a changeline bridge |
4.75 kilometres | 2 locks | |
Ecluse 33 Champvert | 4.78 kilometres | 2 locks | |
Pont au Marcoux | 7.23 kilometres | 3 locks | |
Ecluse 32 Roche | 7.98 kilometres | 3 locks | |
Pont-Canal de L'Andarge | 8.01 kilometres | 4 locks | |
Pont au Saint Gervais | 8.42 kilometres | 4 locks | |
Pont du D169 | 9.66 kilometres | 4 locks | |
Pont au Le Chantelier | 12.26 kilometres | 4 locks | |
Pont pres Cercy-la-Tour | 13.33 kilometres | 4 locks | |
Pont a Ecluse 31 | 15.04 kilometres | 4 locks | |
Ecluse de Garde 31 Cercy-la-Tour | 15.06 kilometres | 4 locks | |
Ecluse 30 Cercy-la-Tour | 15.53 kilometres | 5 locks | |
Cercy-la-Tour | 15.57 kilometres | 6 locks | |
Pont au Martigny | 16.73 kilometres | 6 locks | |
Pont a Ecluse Chaumigny | 18.20 kilometres | 6 locks | |
Ecluse 29 Chaumigny | 18.22 kilometres | 6 locks | |
Pont au Mazille | 19.60 kilometres | 7 locks | |
Pont Pres Isenay (derelict) | 20.43 kilometres | 7 locks | |
Pont a Ecluse Isenay | 21.16 kilometres | 7 locks | |
Ecluse 28 Isenay | 21.18 kilometres | 7 locks | |
Pont a Ecluse Moulin d'Isenay | 23.09 kilometres | 8 locks | |
Ecluse 27 Moulin d'Isenay | 23.11 kilometres | 8 locks | |
Pont au Baudin | 24.05 kilometres | 9 locks | |
Pont au Sozay (south) | 25.45 kilometres | 9 locks | |
Pont du Ecluse Sozay | 27.12 kilometres | 9 locks | |
Ecluse 26 Sozay | 27.14 kilometres | 9 locks | |
Pont a Panneçot | 29.01 kilometres | 10 locks | |
Ecluse de garde 25 Panneçot | 29.03 kilometres | 10 locks | |
Pannecot - Port de Plaisance Good mooring |
29.15 kilometres | 11 locks | |
Ecluse 24 Anizy | 30.34 kilometres | 11 locks | |
Pont au Anizy | 30.59 kilometres | 12 locks | |
Pont du Ecluse Saigne | 31.45 kilometres | 12 locks | |
Ecluse 23 Saigne | 31.47 kilometres | 12 locks | |
Pont au Mont | 32.94 kilometres | 13 locks | |
Pont pres Bernay | 34.28 kilometres | 13 locks | |
Pont au Bernay | 35.73 kilometres | 13 locks | |
Ecluse 22 Bernay | 35.75 kilometres | 13 locks | |
Pont au Fleury | 37.31 kilometres | 14 locks | |
Ecluse 21 Fleury | 37.33 kilometres | 14 locks | |
Ecluse 20 Brienne | 38.06 kilometres | 15 locks | |
Pont du Ecluse Villars | 40.05 kilometres | 16 locks | |
Ecluse 19 Villars | 40.07 kilometres | 16 locks | |
Pont du D132 | 40.49 kilometres | 17 locks | |
Pont au Biches | 41.10 kilometres | 17 locks | |
Pont du Ecluse Meulot | 41.92 kilometres | 17 locks | |
Ecluse 18 Meulot | 41.94 kilometres | 17 locks | |
Ecluse 17 d'Eguilly | 45.01 kilometres | 18 locks | |
Pont au Pont (south) | 45.42 kilometres | 19 locks | |
Pont au Pont (north) | 46.54 kilometres | 19 locks | |
Pont du Ecluse Coeuillon | 48.10 kilometres | 19 locks | |
Ecluse de garde 16 Coeuillon | 48.12 kilometres | 19 locks | |
Pont a Ecluse 15 | 49.64 kilometres | 20 locks | |
Ecluse 15 Châtillon-en-Bazois | 49.66 kilometres | 20 locks | |
Châtillon-en-Bazois Port Moorings with power and water,Supermarket and restaurants near by |
49.75 kilometres | 21 locks | |
Ecluse 14 Châtillon-en-Bazois | 50.02 kilometres | 21 locks | |
Pont de Rue du Dr Dubois D978 | 50.16 kilometres | 22 locks | |
Châtillon-en-Bazois | 50.17 kilometres | 22 locks | |
Pont au Mingot | 52.85 kilometres | 22 locks | |
Pont Ecluse Mingot This is a changeline bridge |
52.89 kilometres | 22 locks | |
Ecluse 13 Mingot | 52.91 kilometres | 22 locks | |
Pont-Canal de L'Aron | 52.94 kilometres | 23 locks | |
Pont Ecluse Orgue This is a changeline bidge |
53.56 kilometres | 23 locks | |
Ecluse 12 Orgue | 53.58 kilometres | 23 locks | |
Ecluse 11 Orgue | 55.11 kilometres | 24 locks | |
Pont au Marré | 56.07 kilometres | 25 locks | |
Ecluses 9-10 Mont-et-Marré | 56.10 kilometres | 25 locks | |
Ecluses 7-8 Chavance | 58.38 kilometres | 27 locks | |
Ecluses 4-5-6 Chavance | 58.64 kilometres | 29 locks | |
Pont au Chavance | 58.66 kilometres | 32 locks | |
Pont au Mougny | 60.70 kilometres | 32 locks | |
Pont du D958 a Bazolles | 62.42 kilometres | 32 locks | |
Ecluse 3 Bazolles | 62.44 kilometres | 32 locks | |
Ecluse 2 Bazolles | 62.73 kilometres | 33 locks | |
Baye | 64.78 kilometres | 34 locks | |
Pont de Écluse du Baye | 64.82 kilometres | 34 locks | |
Écluse 1 Baye | 64.85 kilometres | 34 locks | |
Baye Visitor Moorings | 65.14 kilometres | 35 locks | |
Pont du D135 | 65.50 kilometres | 35 locks | |
La Collancelle Tunelle (portail ouest) Tunnel Length 758m |
65.95 kilometres | 35 locks | |
La Collancelle Tunelle (portail est) Tunnel Length 758m |
66.69 kilometres | 35 locks | |
Mouas Tunelle (portail ouest) This is the middle of the three tunnels at the canal summit - length 268m |
66.94 kilometres | 35 locks | |
Mouas Tunelle (portail est) This is the middle of the three tunnels at the canal summit - length 268m |
67.20 kilometres | 35 locks | |
Breuilles Tunelle (portail ouest) Tunnel length 212m |
67.35 kilometres | 35 locks | |
Breuilles Tunelle (portail est) Tunnel Length 212m |
67.56 kilometres | 35 locks | |
Pont pres Breuilles Tunelle (portail est) | 68 kilometres | 35 locks | |
Pont Port Brûle This is a changeline bridge |
68.84 kilometres | 35 locks | |
Ecluse 1 Port Brûle | 69.10 kilometres | 35 locks | |
Ecluse 2 Cran | 69.25 kilometres | 36 locks | |
Ecluse 3 Patureau | 69.36 kilometres | 37 locks | |
Ecluse 4 La Roche | 69.47 kilometres | 38 locks | |
Ecluse 5 Denain | 69.58 kilometres | 39 locks | |
Ecluse 6 Planche de Belin | 69.72 kilometres | 40 locks | |
Pont du Ecluse 6 Planche de Belin | 69.75 kilometres | 41 locks | |
Ecluse 7 Gros Bouillon | 69.93 kilometres | 41 locks | |
Ecluse 8 Mondain | 70.13 kilometres | 42 locks | |
Ecluse 9 Fussy | 70.30 kilometres | 43 locks | |
Ecluse 10 Patureau Volain | 70.52 kilometres | 44 locks | |
Ecluse 11 Bellevue | 70.79 kilometres | 45 locks | |
Ecluse 12 Pre Doyen | 71.17 kilometres | 46 locks | |
Ecluse 13 Doyen | 71.31 kilometres | 47 locks | |
Ecluse 14 Pre Ardent | 71.55 kilometres | 48 locks | |
Ecluse 15 Champ Cadoux | 71.94 kilometres | 49 locks | |
Ecluse 16 Sardy | 72.19 kilometres | 50 locks | |
Pont du Route a Sardy-lès-Épiry | 72.21 kilometres | 51 locks | |
Ecluse 17 Champ du Chêne | 72.94 kilometres | 51 locks | |
Ecluse 18 Creuset | 73.29 kilometres | 52 locks | |
Pont a Ecluse Creuset | 73.32 kilometres | 53 locks | |
Ecluse 19 La Petite Corvée | 73.89 kilometres | 53 locks | |
Ecluse 20 Bois des Taureaux | 74.52 kilometres | 54 locks | |
Ecluse 21 Picampoix | 74.84 kilometres | 55 locks | |
Pont du Route a Marcilly | 74.87 kilometres | 56 locks | |
Ecluse 22 Surpaillis | 75.16 kilometres | 56 locks | |
Ecluse 23 Pre Colas | 75.66 kilometres | 57 locks | |
Ecluse 24 Yonne | 76.11 kilometres | 58 locks | |
Pont a La Chaise This is a changeline bridge |
77.33 kilometres | 59 locks | |
Pont du D958 This is a changeline bridge |
77.83 kilometres | 59 locks | |
Ecluses 25-26 Eugny | 78.23 kilometres | 59 locks | |
Ecluse 27 Marcy | 78.62 kilometres | 61 locks | |
Pont du Route a Benoit | 78.65 kilometres | 62 locks | |
Winding Hole South of Chaumot | 79.16 kilometres | 62 locks | |
Ecluse 28 Chaumot | 79.75 kilometres | 62 locks | |
Chitry-les-Mines Port Moorings with power, water & cafe. |
80.35 kilometres | 63 locks | |
Pont du D977BIS | 80.47 kilometres | 63 locks | |
Pont Levis pres Chitry | 80.99 kilometres | 63 locks | |
Ecluse 29 Chitry | 81.69 kilometres | 63 locks | |
Ecluse 30 Marigny | 82.65 kilometres | 64 locks | |
Pont de Rue du Moulin (Marigny-sur-Yonne) | 82.67 kilometres | 65 locks | |
Ecluse 31 Gravier | 82.99 kilometres | 65 locks | |
Pont de Rue de le Fontaine du Loup | 83.02 kilometres | 66 locks | |
Ecluse 32 Mortes | 84.37 kilometres | 66 locks | |
Pont Ferroviaire Clamecy a Corbigny | 84.55 kilometres | 67 locks | |
Pont Levis pres Combre | 84.71 kilometres | 67 locks | |
Ecluse 33 Mont | 86.90 kilometres | 67 locks | |
Pont du Ecluse Mont This is a changeline bridge ... |
86.92 kilometres | 68 locks | |
Ecluse 34 Dirol | 87.46 kilometres | 68 locks | |
Pont du Ecluse Dirol | 87.49 kilometres | 69 locks | |
Pont Levis de Dirol (south) | 87.82 kilometres | 69 locks | |
Pont Levis de Dirol (north) | 88.07 kilometres | 69 locks | |
Pont du Rue Colon de Montfort | 89.08 kilometres | 69 locks | |
Ecluse 35 Chatillon | 90.54 kilometres | 69 locks | |
Ecluse 36 Laporte | 91.59 kilometres | 70 locks | |
Ecluse 37 Moulin Brule | 91.86 kilometres | 71 locks | |
Pont Levis a St Didier | 92.83 kilometres | 72 locks | |
Pont Levis a Cuzy | 93.80 kilometres | 72 locks | |
Tannay-Port Basin Restaurant nearby |
94.05 kilometres | 72 locks | |
Pont du Tannay-Port | 94.12 kilometres | 72 locks | |
Hotel du Morvan Pubs (anywhere near waterside) are so rare in these quarters, that this establishment was deemed worthy of place status |
94.17 kilometres | 72 locks | |
Pont au Tannay | 95.13 kilometres | 72 locks | |
Ecluses 38-39 Tannay | 96.38 kilometres | 72 locks | |
Pont du Route de Champagne The road crosses the top end of the lower chamber. |
96.39 kilometres | 74 locks | |
Pont pres Ecluses Tannay | 97.51 kilometres | 74 locks | |
Kilometre Post - La Loire 100Km | 98.08 kilometres | 74 locks | |
Pont au Moulin d'Asnois Asnois village is on the the other side of the bridge. |
98.53 kilometres | 74 locks | |
Kilometre Post - La Loire 101Km | 99.11 kilometres | 74 locks | |
Ecluse 40 Brèves | 100.53 kilometres | 74 locks | |
Pont de D185 | 100.77 kilometres | 75 locks | |
Ecluse 41 Esselier | 101.06 kilometres | 75 locks | |
Kilometre Post - La Loire 103Km | 101.22 kilometres | 76 locks | |
Kilometre Post - La Loire 104Km | 102.34 kilometres | 76 locks | |
Ecluse 42 Villiers | 102.83 kilometres | 76 locks | |
Pont de Rue de Pont a Villiers-sur-Yonne | 103.12 kilometres | 77 locks | |
Pont pres Cuncy Pedestrian swing bridge between Cuncy and Villiers locks. |
103.99 kilometres | 77 locks | |
Ecluse 43 Cuncy | 104.72 kilometres | 77 locks | |
Pont du Ecluse Cuncy | 104.75 kilometres | 78 locks | |
Kilometre Post - La Loire 107Km | 105.21 kilometres | 78 locks | |
Pont du Rue a Cuncy | 105.47 kilometres | 78 locks | |
Kilometre Post - La Loire 108Km | 106.03 kilometres | 78 locks | |
Ecluse 44 Chantenot | 107.47 kilometres | 78 locks | |
Pont de Rue du Lac Crosses the tail of Ecluse Chantenot 44 |
107.50 kilometres | 79 locks | |
Kilometre Post - La Loire 110Km | 108.02 kilometres | 79 locks | |
Pont de L'Ancien Gue | 108.28 kilometres | 79 locks | |
Chevroches Historic old canal port and now a pleasant mooring area. |
108.38 kilometres | 79 locks | |
Ecluse 45 Armes | 108.76 kilometres | 79 locks | |
Kilometre Post - La Loire 111Km | 108.91 kilometres | 80 locks | |
Ecluse 46 Maladrerie | 109.93 kilometres | 80 locks | |
Pont du Ecluse Maladrerie | 109.96 kilometres | 81 locks | |
Portes du Garde pres Maladrerie Disused navigable access with overbridge, to Yonne river |
110.18 kilometres | 81 locks | |
Pont Picot This is a changeline bridge |
111.03 kilometres | 82 locks | |
Clamecy Basin | 111.74 kilometres | 82 locks | |
Pont du Ecluse 47 Clamecy This is a changeline bridge ... |
111.78 kilometres | 82 locks | |
Ecluse 47 Clamecy | 111.80 kilometres | 82 locks | |
Pont du D951 | 112.02 kilometres | 83 locks | |
Clamecy | 112.10 kilometres | 83 locks | |
Kilometre Post - La Loire 114Km | 112.16 kilometres | 83 locks | |
Junction with River Beuvron Non- navigable tributory of the River Yonne |
112.28 kilometres | 83 locks | |
Pont du Ecluse St Roche Obviousy not needed to swing now |
112.59 kilometres | 83 locks | |
Ecluse 47 bis de Clamecy Saint-Roch | 112.64 kilometres | 83 locks | |
Ecluse 48 Foret | 114.01 kilometres | 84 locks | |
Pont du Excluse 48 Foret | 114.04 kilometres | 85 locks | |
Portes de Garde pres Ecluse 48 Foret | 114.07 kilometres | 85 locks | |
Pont du Route N151 | 114.13 kilometres | 86 locks | |
Pont du Rue de Presle | 114.64 kilometres | 86 locks | |
Kilometre Post - La Loire 117Km | 115.01 kilometres | 86 locks | |
Ecluse 49 Garenne | 115.19 kilometres | 86 locks | |
Pont de Ecluse Garenne This is a changeline bridge |
115.80 kilometres | 87 locks | |
Ecluse 50 Basseville | 116.51 kilometres | 87 locks | |
Ecluse 51 Basseville | 116.75 kilometres | 88 locks | |
Roches de Basseville | 116.91 kilometres | 89 locks | |
Fortified Farm pres Roches de Basse Ville The only place of historic note on the Sandrin map for this waterway |
117.30 kilometres | 89 locks | |
Pont Roches de Basseville | 117.36 kilometres | 89 locks | |
Kilometre Post - La Loire 120Km | 117.54 kilometres | 89 locks | |
Pont au Pousseaux (south) | 119.14 kilometres | 89 locks | |
Pont de Rue du Pont-Levis Route au Pousseaux (N) |
119.53 kilometres | 89 locks | |
Coulanges Basin | 120.62 kilometres | 89 locks | |
Ecluse 52 Coulanges-sur-Yonne | 120.74 kilometres | 89 locks | |
Pont du Route Nationale N151 | 120.77 kilometres | 90 locks | |
Ecluse 53 Crain | 121.65 kilometres | 90 locks | |
Pont a Route de Coulanges | 122.04 kilometres | 91 locks | |
Kilometre Post - La Loire 125Km | 122.99 kilometres | 91 locks | |
Ecluse 54 Beze | 123.03 kilometres | 91 locks | |
Pont a Ecluse Beze | 123.05 kilometres | 92 locks | |
Pont de Rue de l'Abreuvoir | 124.03 kilometres | 92 locks | |
Ecluse 55 Lucy sur Yonne | 125.05 kilometres | 92 locks | |
Pont pres Ecluse Lucy sur Yonne | 125.84 kilometres | 93 locks | |
Pont Ferroviaire Chatel Sensoir a Coulanges sur Yonne | 126.69 kilometres | 93 locks | |
Ecluse 56 la Place | 128.09 kilometres | 93 locks | |
Pont du Ecluse la Place | 128.11 kilometres | 94 locks | |
Kilometre Post - La Loire 132Km | 130.01 kilometres | 94 locks | |
Basin de Chatel Censoir | 130.38 kilometres | 94 locks | |
Ecluse 57 Chatel Censoir | 130.43 kilometres | 94 locks | |
Pont du Rue de Magny | 130.46 kilometres | 95 locks | |
Pont du Chemin du Pont | 130.98 kilometres | 95 locks | |
Ecluse 58 Magny | 132.36 kilometres | 95 locks | |
Pont a Ecluse Magny Connects to Avenue de la Gare |
132.39 kilometres | 96 locks | |
Kilometre Post - La Loire 135Km | 132.76 kilometres | 96 locks | |
Pont Ferroviaire (south) Mailly-la-Ville a Châtel-Censoir | 133.71 kilometres | 96 locks | |
Pont au Ferme de Vaulabelle | 133.90 kilometres | 96 locks | |
Ecluse 59 Rechimet | 134.31 kilometres | 96 locks | |
Le Saussois Riverside hamlet at the base of the rocks of the same name. |
135.46 kilometres | 97 locks | |
Ecluse 59 bis Saussois | 135.65 kilometres | 97 locks | |
Pont du Route de Compostelle | 135.73 kilometres | 98 locks | |
Pont au dessus de l'Ecluse de Ravereau | 136.78 kilometres | 98 locks | |
Ecluse 60 Ravereau | 137.12 kilometres | 98 locks | |
Écluse 61 Mailly-le-Château | 138.57 kilometres | 99 locks | |
Pont Ferroviaire (north) Mailly-la-Ville a Châtel-Censoir | 138.63 kilometres | 100 locks | |
Pont du Rue de Pont | 139.47 kilometres | 100 locks | |
Mailly-le-Château Basin | 139.72 kilometres | 100 locks | |
Pont du Chemain de Fer | 140.14 kilometres | 100 locks | |
Ecluse 62 Parc | 140.47 kilometres | 100 locks | |
Pont a Mailly la Ville | 142.90 kilometres | 101 locks | |
Ecluse 63 Mailly la Ville | 143.06 kilometres | 101 locks | |
Mailly-la-Ville Halte Nautique Very good mooring pontoon |
143.31 kilometres | 102 locks | |
Pont du Rue Rene Henry (D 950) | 143.59 kilometres | 102 locks | |
Ecluse 64 Mailly La Ville Stop Gates ... as usual open |
143.67 kilometres | 102 locks | |
Ecluse 65 Sery | 145.13 kilometres | 103 locks | |
Pont du Ecluse 65 Sery | 145.16 kilometres | 104 locks | |
Pont de Rue du Canal | 145.40 kilometres | 104 locks | |
Ecluse 66 Saint Maur | 146.21 kilometres | 104 locks | |
Pont Ferroviaire (south) Vincelles a Mailly-la-Ville | 147.46 kilometres | 105 locks | |
Ecluse 67 Dames | 147.60 kilometres | 105 locks | |
Pont de Ecluse Dames | 147.63 kilometres | 106 locks | |
Kilometre Post - La Loire 150Km | 147.63 kilometres | 106 locks | |
Pont a Pregilbert | 148.56 kilometres | 106 locks | |
Ecluse 68 Pregilbert | 148.71 kilometres | 106 locks | |
Pont au Sainte Pallaye | 149.02 kilometres | 107 locks | |
Pont de Rue du Patis | 149.45 kilometres | 107 locks | |
Ecluse 69 Sainte Pallaye | 149.92 kilometres | 107 locks | |
Pont au Bazarnes | 150.56 kilometres | 108 locks | |
Ecluse 70 Saint Aignan | 151.24 kilometres | 108 locks | |
Pont Ferroviaire (north) Vincelles a Mailly-la-Ville Changeline Bridge (hopefully) |
151.52 kilometres | 109 locks | |
Nivernais - Vermenton Jonction Junction of the Canal du Nivernais with the Vermenton Branch |
151.57 kilometres | 109 locks | |
Ecluse 71 Maunoir | 151.92 kilometres | 109 locks | |
Kilometre Post - La Loire 155Km | 152.19 kilometres | 110 locks | |
Cravant Basin | 153.28 kilometres | 110 locks | |
Pont de N6 | 153.35 kilometres | 110 locks | |
Pont au route N6 a Cravant | 154.14 kilometres | 110 locks | |
Ecluse 72 Rivottes | 155.69 kilometres | 110 locks | |
Pont du Ecluse Rivottes 72 | 155.72 kilometres | 111 locks | |
Pont du Ecluse Vincelles | 156.98 kilometres | 111 locks | |
Ecluse 73 Vincelles | 157.01 kilometres | 111 locks | |
Pont du Route de Vincelottes | 158.09 kilometres | 112 locks | |
Ecluse 74 Vincelottes | 158.68 kilometres | 112 locks | |
Ecluse 75 Bailly | 160.81 kilometres | 113 locks | |
Pont Ferroviaire Auxerre a Vincelles | 161.06 kilometres | 114 locks | |
Ecluse 76 Belombre | 162.37 kilometres | 114 locks | |
Pont de Rue du Pont | 162.40 kilometres | 115 locks | |
Ecluse 77 Toussac | 163.56 kilometres | 115 locks | |
Pont a Vaux | 165.24 kilometres | 116 locks | |
Ecluse 78 Vaux | 165.92 kilometres | 116 locks | |
Ecluse 79 Augy | 167.86 kilometres | 117 locks | |
Ecluse 80 Preuilly | 169.76 kilometres | 118 locks | |
Paserelle du Batardeau | 170.92 kilometres | 119 locks | |
Ecluse 81 Batardeau | 171.01 kilometres | 119 locks | |
Pont Paul Bert | 171.38 kilometres | 120 locks | |
Auxerre Junction of River Yonne and Canal du Nivernais |
171.53 kilometres | 120 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
Wikipedia has a page about Canal du Nivernais
The Canal du Nivernais links the Loire with the Seine, following approximately the course of the river Yonne in a south to north direction. It first climbs northeast and north to cross the Morvan watershed, then roughly follows the course of the Yonne. Beginning on the Loire in the village of Saint-Léger-des-Vignes, it reaches its half-way point at the town of Clamecy and finishes at Auxerre on the Yonne.
The canal is 174 km (108 mi) long and has 112 locks. It is fed at its summit at Port Brûlé by a feeder canal from the Lac de Pannecière reservoir, including an elegant aqueduct at Montreuillon. In its northerly course it is regularly fed by the Yonne and on the southern slope by the Aron. The summit level pound also comprises three tunnels. Although the feeder canal arrives at Port Brûlé, the top of the canal is generally considered to be at Baye at the southern end of the tunnels.