Canal du Midi

The maximum dimensions for a boat to be able to travel on the waterway are 29.87 metres long and 5.49 metres wide. The maximum headroom is 1.80 metres. The maximum draught is 3.60 metres.
It has a junction with the Embranchement de La Nouvelle - Canal de Jonction (Midi - Aude) at Midi - Jonction Jonction.
Notable features of the waterway include Tunnel du Malpas
Relevant publications — Waterway Guides:
Port de l'Embouchure (Toulouse) | |||
Pont Jumeaux (centre) | 0.13 kilometres | 0 locks | |
Pont de Boulevard de l'Embouchure (west) | 0.24 kilometres | 0 locks | |
Pont du Béarnais | 0.68 kilometres | 0 locks | |
Ecluse 1 du Béarnais | 0.71 kilometres | 0 locks | |
Pont de Boulevard de l'Embouchure | 1.14 kilometres | 1 lock | |
Ecluse 2 des Minimes | 1.67 kilometres | 1 lock | |
Pont des Minimes | 1.76 kilometres | 2 locks | |
Pont de Boulevard Matabiau | 2.21 kilometres | 2 locks | |
Pont de Boulevard des Minimes (west) | 2.47 kilometres | 2 locks | |
Pont de Boulevard des Minimes (east) | 2.91 kilometres | 2 locks | |
Pont Matabiau | 2.92 kilometres | 2 locks | |
Pont du 19 Mars 1962 Also known as Pont de Boulevard Pierre Semard |
3.24 kilometres | 2 locks | |
Ecluse 3 de Bayard | 3.33 kilometres | 2 locks | |
Pont Riquet | 3.51 kilometres | 3 locks | |
Pont de Boulevard de la Gare | 3.88 kilometres | 3 locks | |
Pont de Boulevard Pierre Paul Riquet (north) | 4.04 kilometres | 3 locks | |
Pont de Boulevard Pierre Paul Riquet (south) | 4.20 kilometres | 3 locks | |
Pont de Guilhemery | 4.52 kilometres | 3 locks | |
Pont de Port Saint-Étienne | 4.77 kilometres | 3 locks | |
Port Saint-Sauveur | 5.12 kilometres | 3 locks | |
Pont de la Passage des Soupiers | 5.27 kilometres | 3 locks | |
Pont Ferroviaire Toulouse Marengo a Toulouse Saint-Agne | 5.66 kilometres | 3 locks | |
Bassin de Radoub | 5.84 kilometres | 3 locks | |
Pont Mendès France | 6.08 kilometres | 3 locks | |
Pont de la Passerelle du Batonnier | 6.76 kilometres | 3 locks | |
Pont de Chemin des Herbetts | 7.61 kilometres | 3 locks | |
Pont-Canal des Herbettes | 7.78 kilometres | 3 locks | |
Pont de l'INSA | 8.26 kilometres | 3 locks | |
Pont d'Avenue du Colonel Roche | 8.81 kilometres | 3 locks | |
Pont d'Avenue Pierre-George Latecoere | 10.22 kilometres | 3 locks | |
Pont de D500 | 10.93 kilometres | 3 locks | |
Basin du Parc Tecnologique | 11.04 kilometres | 3 locks | |
Pont de Mange-Pommes | 11.69 kilometres | 3 locks | |
Port de Ramonville Saint Agne | 12.05 kilometres | 3 locks | |
Pont de la D57 | 15.03 kilometres | 3 locks | |
Pont de Chemin d'Augustin | 15.37 kilometres | 3 locks | |
Ecluse 6 de Castanet | 15.40 kilometres | 3 locks | |
Pont de la D79 | 17.08 kilometres | 4 locks | |
Ecluse 7 de Vic | 17.12 kilometres | 4 locks | |
Aqueduc de Rieumory | 18.11 kilometres | 5 locks | |
Pont de Route de Belberaud | 19.50 kilometres | 5 locks | |
Pont de Donneville Also known as Pont de Route de Montlaur |
22.37 kilometres | 5 locks | |
Pont de la D31 Route de Montlaur |
24.46 kilometres | 5 locks | |
Ecluse 8 de Montgiscard | 24.63 kilometres | 5 locks | |
Montgiscard | 24.74 kilometres | 6 locks | |
Aqueduc d'Ayguesvives | 26.53 kilometres | 6 locks | |
Pont des Romains | 26.60 kilometres | 6 locks | |
Pont d'Ayguesvives | 27 kilometres | 6 locks | |
Pont de la D813 | 27.78 kilometres | 6 locks | |
Ecluse 9 d'Ayguesvives | 27.83 kilometres | 6 locks | |
Ecluses 10 du Sanglier | 29.36 kilometres | 7 locks | |
Pont de Les Beouzels Also known as Pont d'En Serny |
31.24 kilometres | 9 locks | |
Pont de Négra | 33.02 kilometres | 9 locks | |
Ecluse 11 de Négra | 33.05 kilometres | 9 locks | |
Negra | 33.14 kilometres | 10 locks | |
Pont de Route de L'Ariegeoise | 34.31 kilometres | 10 locks | |
Pont de Viellevigne | 34.77 kilometres | 10 locks | |
Pont de D97 (Laval) | 37.22 kilometres | 10 locks | |
Ecluses 12 de Laval | 37.27 kilometres | 10 locks | |
Aqueduc de Gardouch | 38.29 kilometres | 12 locks | |
Pont de D622 | 38.66 kilometres | 12 locks | |
Ecluse 13 de Gardouch | 38.68 kilometres | 12 locks | |
Aqueduc de L'Hers Also known as Aqueduc des Voûtes |
40.57 kilometres | 13 locks | |
Pont de D72 | 42.76 kilometres | 13 locks | |
Ecluse 14 de Renneville | 42.78 kilometres | 13 locks | |
Pont d'Ecluses d'Encassan | 45.62 kilometres | 14 locks | |
Ecluses 15 d'Encassan | 45.65 kilometres | 14 locks | |
Pont de D43 | 47.17 kilometres | 16 locks | |
Ecluse 16 d'Emborrel | 47.20 kilometres | 16 locks | |
Pont de D80A | 49.21 kilometres | 17 locks | |
Marina Port Lauragais | 49.74 kilometres | 17 locks | |
Pont de l'Autoroute des Deux Mers | 49.93 kilometres | 17 locks | |
Pont Ferroviaire Avignonet-Lauragais a Castelnaudary | 50.27 kilometres | 17 locks | |
Pont de Ecluse de l'Océan | 51.33 kilometres | 17 locks | |
Ecluse 17 de l'Océan | 51.36 kilometres | 17 locks | |
Chargeur sommet du Canal du Midi Summit feeder of the Canal du Midi |
51.89 kilometres | 18 locks | |
Pont du Ségala | 53.58 kilometres | 18 locks | |
Port du Ségala | 53.67 kilometres | 18 locks | |
Ecluse 18 de la Méditerranée | 56.51 kilometres | 18 locks | |
Pont de D433 | 56.53 kilometres | 19 locks | |
Echelle 19 de 2 Ecluses du Roc | 57.28 kilometres | 19 locks | |
Echelle 20 de 3 Ecluses de Laurens | 58.52 kilometres | 21 locks | |
Pont de D818 | 58.59 kilometres | 24 locks | |
Ecluse 21 de la Doumergue | 59.71 kilometres | 24 locks | |
Ecluse 22 de la Planque | 60.93 kilometres | 25 locks | |
Pont de Ecluse La Planque | 60.96 kilometres | 26 locks | |
Pont Passage des Lavandières | 64.21 kilometres | 26 locks | |
Pont de D624 Also known as Pont Neuf |
64.54 kilometres | 26 locks | |
Pont de Rue Riquet Also known as Pont Vieux |
64.85 kilometres | 26 locks | |
Castelnaudary (Le Grand Bassin) | 65.07 kilometres | 26 locks | |
Pont Saint-Roche | 65.35 kilometres | 26 locks | |
Echelle 23 de 4 Ecluses de Saint-Roch | 65.49 kilometres | 26 locks | |
Echelle 24 de 2 Ecluses de Gay | 67.06 kilometres | 30 locks | |
Pont de la D6313 | 67.14 kilometres | 32 locks | |
Echelle 25 de 3 Ecluses du Vivier Next to the locks is the Épanchoir du Vivier, a siphon for water release from the Canal |
68.70 kilometres | 32 locks | |
Pont de Ecluses du Vivier | 68.76 kilometres | 35 locks | |
Ecluse 26 de Guillermin | 69.15 kilometres | 35 locks | |
Ecluse 27 de Saint-Sernin | 69.74 kilometres | 36 locks | |
Pont de Ecluse de Saint-Sernin | 69.76 kilometres | 37 locks | |
Ecluse 28 de Guerre | 70.68 kilometres | 37 locks | |
Pont de D116 | 70.70 kilometres | 38 locks | |
Ecluse 29 de la Peyruque | 71.77 kilometres | 38 locks | |
Pont de Ecluse de la Peyruque | 71.79 kilometres | 39 locks | |
Mooring La Peyruque | 71.90 kilometres | 39 locks | |
Ecluse 30 la Criminelle | 72.27 kilometres | 39 locks | |
Pont-Canal de Ruisseau le Tréboul | 73.54 kilometres | 40 locks | |
Ecluse 31 de Tréboul | 73.66 kilometres | 40 locks | |
Pont de D71 | 73.68 kilometres | 41 locks | |
Pont de Route du Villasavary | 76.16 kilometres | 41 locks | |
Ecluse 32 de Villepinte | 77.47 kilometres | 41 locks | |
Ecluse 33 de Sauzens | 79.16 kilometres | 42 locks | |
Pont de Ecluse Sauzens | 79.18 kilometres | 43 locks | |
Ecluse 34 de Bram | 80.37 kilometres | 43 locks | |
Pont de D4 | 80.98 kilometres | 44 locks | |
Port de Bram | 81.03 kilometres | 44 locks | |
Pont-Canal de Rebenty | 83.77 kilometres | 44 locks | |
Pont Ferroviaire Castelnaudary a Carcassonne | 84.06 kilometres | 44 locks | |
Pont de D33 (Alzonne) | 84.88 kilometres | 44 locks | |
Ecluse 35 de Béteille | 85.97 kilometres | 44 locks | |
Pont de Ecluse Béteille | 85.99 kilometres | 45 locks | |
Aqueduc de l'Espitalet | 88.09 kilometres | 45 locks | |
Pont de Sainte Eulalie No 75 | 89.25 kilometres | 45 locks | |
Pont de Villesèquelande | 91.27 kilometres | 45 locks | |
Villesèquelande | 91.38 kilometres | 45 locks | |
Pont-Canal de Ruisseau de la Rivairolle | 92.28 kilometres | 45 locks | |
Ecluse 36 de Villesèquelande | 93.44 kilometres | 45 locks | |
Pont de D33 (Sauzens) | 94.15 kilometres | 46 locks | |
Pont de D48 | 96.12 kilometres | 46 locks | |
Echelle 37 de 2 Ecluses de Lalande | 98.39 kilometres | 46 locks | |
Ecluse 38 d'Herminis | 98.67 kilometres | 48 locks | |
Pont de Ecluse d'Herminis | 98.70 kilometres | 49 locks | |
Ecluse 39 de Ladouce | 100.05 kilometres | 49 locks | |
Epanchoir de Foucaud A small botanical garden with a spillway for the canal's excess water. |
101.74 kilometres | 50 locks | |
Pont de D6161 | 102.53 kilometres | 50 locks | |
Pont Ferroviaire Limoux a Carcassonne | 103.79 kilometres | 50 locks | |
Pont de la D118 | 104.46 kilometres | 50 locks | |
Pont du Varsovie | 104.65 kilometres | 50 locks | |
Pont de la Paix | 104.85 kilometres | 50 locks | |
Basin de Carcassonne | 105.06 kilometres | 50 locks | |
Ecluse 40 de Carcassonne | 105.16 kilometres | 50 locks | |
Pont Marengo | 105.18 kilometres | 51 locks | |
Pont Ferroviare Trebes a Carcassonne | 105.37 kilometres | 51 locks | |
Pont Minervoise | 107.96 kilometres | 51 locks | |
Ecluse 41 Saint-Jean | 108.01 kilometres | 51 locks | |
Pont de Route Minervoise Pont de la D118 |
108.04 kilometres | 52 locks | |
Carcassonne Winding Hole (west) | 108.56 kilometres | 52 locks | |
Pont-Canal de Fresquel | 108.73 kilometres | 52 locks | |
Echelle 42 de 2 Ecluses du Fresquel | 108.78 kilometres | 52 locks | |
Ecluse 43 du Fresquel | 108.90 kilometres | 54 locks | |
Pont Saint-Pierre (Saint-Pierre) | 109.38 kilometres | 55 locks | |
Pont de La Mijeanne | 110.69 kilometres | 55 locks | |
Ecluse 44 de l'Evêque | 112.69 kilometres | 55 locks | |
Pont de Ecluse l'Evêque | 112.72 kilometres | 56 locks | |
Ecluse 45 de Villedubert | 113.48 kilometres | 56 locks | |
Pont de la Rode | 116.34 kilometres | 57 locks | |
Arrivee du Canal Vieux Non-navigable feeder from the Orbial river |
116.51 kilometres | 57 locks | |
Le Pont-Canal D'Orbiel | 116.78 kilometres | 57 locks | |
Pont de Trèbes | 117.39 kilometres | 57 locks | |
Trèbes | 117.52 kilometres | 57 locks | |
Echelle 46 de 3 Ecluses de Trèbes | 118.08 kilometres | 57 locks | |
Pont de Saint-Julia | 119.49 kilometres | 60 locks | |
Pont de Millepetit | 121.14 kilometres | 60 locks | |
Pont de Millegrand | 122.37 kilometres | 60 locks | |
Pont de D610 | 126.37 kilometres | 60 locks | |
Marseillette | 126.76 kilometres | 60 locks | |
Ecluse 47 de Marseillette | 127.32 kilometres | 60 locks | |
Pont de Chemin de l'Etang | 127.35 kilometres | 61 locks | |
Echelle 48 de 3 Ecluses de Fonfile | 130.44 kilometres | 61 locks | |
Echelle 49 de 2 Ecluses de Saint-Martin | 131.69 kilometres | 64 locks | |
Pont de Ecluses de Saint-Martin | 131.72 kilometres | 66 locks | |
Echelle 50 de 2 Ecluses de l'Aiguille | 133.47 kilometres | 66 locks | |
Pont de Route de Rieux Minervois | 133.51 kilometres | 68 locks | |
Pont-Canal de Rigole de l'Etang | 133.74 kilometres | 68 locks | |
Pont de Puichéric (west) | 135.13 kilometres | 68 locks | |
Pont de Puichéric (east) | 136.16 kilometres | 68 locks | |
Echelle 51 de 2 Ecluses de Puichéric | 136.51 kilometres | 68 locks | |
Pont de D72 (La Redorte) | 139.34 kilometres | 70 locks | |
La Redorte | 139.39 kilometres | 70 locks | |
Pont-Canal de Ribassel | 139.41 kilometres | 70 locks | |
Pont de D11 (west) | 140.29 kilometres | 70 locks | |
L'epanchoir de L'Argent-Double Elaborate overflow structure |
140.39 kilometres | 70 locks | |
Pont-Canal du Argent Double | 140.59 kilometres | 70 locks | |
Pont de Domaine les Penitents Bleus | 141.17 kilometres | 70 locks | |
Ecluse 52 de Jouarres | 142.86 kilometres | 70 locks | |
Pont de D606 | 143.80 kilometres | 71 locks | |
Port de Homps | 145.34 kilometres | 71 locks | |
Pont a Pied - Homps | 145.44 kilometres | 71 locks | |
Pont d'Avenue du Minervois | 145.70 kilometres | 71 locks | |
Ecluse 53 d'Homps | 146.55 kilometres | 71 locks | |
Echelle 54 de 2 Ecluses d'Ognon | 147.23 kilometres | 72 locks | |
Pont-Canal de L'Ognon | 147.29 kilometres | 74 locks | |
Porte de Garde d'Ognon Floodgate normally left open. |
147.46 kilometres | 74 locks | |
Pont de D11(east) | 147.72 kilometres | 74 locks | |
Pont-Canal de Ruisseau de Bassenel | 148.45 kilometres | 74 locks | |
Echelle 55 de 2 Ecluses de Pechlaurier | 150 kilometres | 74 locks | |
Argens-Minervois | 151.34 kilometres | 76 locks | |
Pont d'Avenue du Port | 151.44 kilometres | 76 locks | |
Argens-Minervois Marina A base of Locaboat Holidays |
151.54 kilometres | 76 locks | |
Ecluse 56 d'Argens | 152.50 kilometres | 76 locks | |
Roubia | 154.67 kilometres | 77 locks | |
Pont de D67 | 154.78 kilometres | 77 locks | |
Paraza | 157.38 kilometres | 77 locks | |
Pont de D167 | 157.52 kilometres | 77 locks | |
Pont-Canal du Répudre | 158.71 kilometres | 77 locks | |
Ventenac | 160.65 kilometres | 77 locks | |
Pont de D26 | 160.75 kilometres | 77 locks | |
Pont-Canal de Ruisseau des Prades | 162.01 kilometres | 77 locks | |
Pont de Saint-Nazaire | 162.45 kilometres | 77 locks | |
Pont de Route de Saint-Pons | 165.19 kilometres | 77 locks | |
Le Somail | 165.39 kilometres | 77 locks | |
Pont du Somail | 165.59 kilometres | 77 locks | |
Pont-Canal de la Cesse | 167.78 kilometres | 77 locks | |
Port de la Robine | 168.08 kilometres | 77 locks | |
Pont de D1626 | 168.11 kilometres | 77 locks | |
Midi - Jonction Jonction Junction of the Canal du Midi and the Canal de Jonction |
168.44 kilometres | 77 locks | |
Pont Ferroviaire Sallèles-d'Aude a Bize - Minervois | 168.49 kilometres | 77 locks | |
Pont de D5 | 171.13 kilometres | 77 locks | |
Argeliers | 172.05 kilometres | 77 locks | |
Pont de Rue du Port | 172.46 kilometres | 77 locks | |
Le Chat Qui Peche | 172.48 kilometres | 77 locks | |
Pont de D36 (Cruzy) | 175.99 kilometres | 77 locks | |
Pont de D184 | 177.79 kilometres | 77 locks | |
Pont-Canal de la Quarante | 178.87 kilometres | 77 locks | |
Pont de Malvies | 180.17 kilometres | 77 locks | |
Pont-Canal de Ruisseau de Roubiois | 183.53 kilometres | 77 locks | |
Pont de D16 (Capestang) | 187.94 kilometres | 77 locks | |
Capestang | 188.15 kilometres | 77 locks | |
Pont de D37/E4 | 188.32 kilometres | 77 locks | |
Pont-Canal de Ruisseau de Fouylans | 189.86 kilometres | 77 locks | |
Pont de D11 (Capestang) | 191.29 kilometres | 77 locks | |
Pont de Boulevard des Écoles | 193.67 kilometres | 77 locks | |
Poilhes | 193.70 kilometres | 77 locks | |
Pont de D11/E1 | 193.81 kilometres | 77 locks | |
Pont de Régismont-le-Haut | 195.96 kilometres | 77 locks | |
Tunnel du Malpas (l'extrémité ouest) | 198.14 kilometres | 77 locks | |
Tunnel du Malpas (l'extrémité est) | 198.30 kilometres | 77 locks | |
Pont de D162 | 199.86 kilometres | 77 locks | |
Colombiers Port de Plaisance | 200.12 kilometres | 77 locks | |
Pont de Voie Communale 13 | 203.80 kilometres | 77 locks | |
Pont de D64 (Béziers) | 204.95 kilometres | 77 locks | |
Pont de Route de Narbonne | 205.47 kilometres | 77 locks | |
Jonction Ecluses de Fonserannes (upper) Junction of the lock flight in current use and the disused inclined plane |
205.80 kilometres | 77 locks | |
Echelle 56 de 7 Ecluses de Fonserannes A staircase of 6 locks |
205.96 kilometres | 77 locks | |
Jonction Écluses Inférieures de Foncerannes Junction of a disused branch down to the river Orb |
206.07 kilometres | 87 locks | |
Jonction Ecluses de Fonserannes (lower) Junction of the lock flight in current use and the disused inclined plane |
206.33 kilometres | 87 locks | |
Pont-Canal sur la Route de Sérignan | 207.05 kilometres | 87 locks | |
Pont-Canal du Orb | 207.21 kilometres | 87 locks | |
Ecluse 57 de l'Orb | 207.47 kilometres | 87 locks | |
Pont de Ecluse de l'Orb | 207.50 kilometres | 88 locks | |
Béziers, Port de Plaisance Halte Nautique de Port Neuf |
207.70 kilometres | 88 locks | |
Ecluse 58 de Béziers | 207.97 kilometres | 88 locks | |
Pont de Rue des Péniches | 208 kilometres | 89 locks | |
Jonction Canalet du Pont Rouge Junction of a disused branch down to the river Orb |
208.03 kilometres | 89 locks | |
Pont d'Avenue Fernand Sastre | 208.22 kilometres | 89 locks | |
Pont d'Avenue Joseph Lazare (west) | 208.94 kilometres | 89 locks | |
Pont Ferroviaire Cameron France S A S | 209.34 kilometres | 89 locks | |
Pont d'Avenue Joseph Lazare (east) | 209.93 kilometres | 89 locks | |
Ecluse 59 d'Ariège | 211.91 kilometres | 89 locks | |
Pont de la route Languedocienne | 212.11 kilometres | 90 locks | |
Ecluse 60 de Villeneuve-lès-Béziers | 213.26 kilometres | 90 locks | |
Pont de D37/E13 | 213.28 kilometres | 91 locks | |
Pont de D64 (Villeneuve-lès-Béziers) | 214.35 kilometres | 91 locks | |
Pont de D37/E16 | 214.98 kilometres | 91 locks | |
Pont de D37 (Villeneuve-lès-Béziers) | 216.01 kilometres | 91 locks | |
Ecluse 61 de Portiragnes | 217.73 kilometres | 91 locks | |
Pont de Portiragnes | 217.77 kilometres | 92 locks | |
Pont de D37 (Portiragnes) | 221.11 kilometres | 92 locks | |
Port Cassafières Marina A base of Le Boat |
221.85 kilometres | 92 locks | |
Ecluse 62 et barrage du Libron (Ouvrages du Libron) | 224.75 kilometres | 92 locks | |
Pont de D137 | 225.87 kilometres | 92 locks | |
Pont de Vias | 225.96 kilometres | 92 locks | |
Embranchement de Farinette-Plage Junction of a disused branch down to the Mediterranean sea |
226.83 kilometres | 92 locks | |
Pont de D612 (Agde) | 227.74 kilometres | 92 locks | |
Pont de D912 | 228.53 kilometres | 92 locks | |
Pont Ferroviaire Viase a Agde | 228.61 kilometres | 92 locks | |
Pont Chemin des Raidillons | 229.21 kilometres | 92 locks | |
Basin d'Agde | 230.60 kilometres | 92 locks | |
Pont de Route de Bessan | 230.88 kilometres | 92 locks | |
Ecluse Ronde 63 d'Agde à Trois Directions A three-directional lock. To the right of the lock lies the spur canal that also connects with the river Hérault, below the weir, that provides a route to the sea. |
230.92 kilometres | 92 locks | |
Midi - l'Hérault Jonction (west) Junction of the Canal du Midi with the River Hérault which carries the navigation for a short distance upstream. |
231.33 kilometres | 93 locks | |
Midi - l'Hérault Jonction (east) Junction of the Canal du Midi with the River Hérault which carries the navigation for a short distance downstream. |
231.95 kilometres | 93 locks | |
Ecluse 64 de Prades Flood lock |
232.16 kilometres | 93 locks | |
Pont de Ecluse de Prades | 232.19 kilometres | 94 locks | |
Pont de Route de Marseillan | 232.42 kilometres | 94 locks | |
Pont Saint-Bauzille | 233.35 kilometres | 94 locks | |
Ecluse 65 du Bagnas | 234.75 kilometres | 94 locks | |
Pont de Les Onglous | 237.97 kilometres | 95 locks | |
Pointe des Onglous Junction of the Canal du Midi with the Étang de Thau |
240.01 kilometres | 95 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
- The Abandoned Monster Vehicle of Fonseranes - YouTube — associated with Echelle 56 de 7 Ecluses de Fonserannes
- In 1984, France unveiled a revolutionary new vehicle, a giant beast designed to push canalboats up a 400m-long water slope, thus avoiding the time-consuming ...
Wikipedia has a page about Canal du Midi
The Canal du Midi (French pronunciation: [kanal dy midi]; Occitan: Canal del Miègjorn [ka'nal del mjɛdˈd͡ʒuɾ]) is a 240 km (150 mi) long canal in Southern France (French: le Midi). Originally named the Canal royal en Languedoc (Royal Canal in Languedoc) and renamed by French revolutionaries to Canal du Midi in 1789, the canal was at the time considered one of the greatest construction works of the 17th century.
The canal connects the Garonne to the Étang de Thau on the Mediterranean and along with the 193 km (120 mi) long Canal de Garonne forms the Canal des Deux Mers, joining the Atlantic to the Mediterranean. The canal runs from the city of Toulouse down to the Étang de Thau near the Mediterranean.
Strictly speaking, "Canal du Midi" refers to the portion initially constructed from Toulouse to the Mediterranean – the Deux-Mers canal project aimed to link together several sections of navigable waterways to join the Mediterranean and the Atlantic: first the Canal du Midi, then the Garonne which was more or less navigable between Toulouse and Bordeaux, then the Garonne Lateral Canal built later, and finally the Gironde estuary after Bordeaux.
Jean-Baptiste Colbert authorized the start of work by royal edict in October, 1666, with the aim of developing the wheat trade, under the supervision of Pierre-Paul Riquet, and construction lasted from 1666 to 1681, during the reign of Louis XIV. The Canal du Midi is one of the oldest canals of Europe still in operation (the prototype being the Briare Canal). The challenges in these works are closely related to the challenges of inland water transport today. The key challenge, raised by Pierre-Paul Riquet, was to convey water from the Montagne Noire (Black Mountains) to the Seuil de Naurouze, the highest point of the canal.
The Canal du Midi was inscribed as a UNESCO World Heritage Site in 1996.