I have cruised maybe a dozen French canals now, and when people corner me at a pontoon and ask which one to do first, I give the same answer every time: the Nivernais. Not because it is the longest or the most famous, but because it is the one that made me understand why anyone bothers with canal boats at all. If France has a prettiest canal, this Burgundy waterway is the one most often nominated, and I am not going to argue.
The bones of it
The Canal du Nivernais runs for about 174 kilometres through the heart of Burgundy, linking the Yonne at Auxerre in the north to the Loire at Decize in the south. Along the way it climbs and falls through roughly 112 locks. It is managed by VNF, specifically the Centre-Bourgogne territorial branch.
The canal was begun in the eighteenth century to float firewood down to Paris, which tells you something about its age and its scale. It was never a heavy commercial highway like the bigger canals, and it was nearly abandoned in the twentieth century before the tourist trade saved it. That history is why it feels the way it does: narrow, intimate, threaded through valleys rather than blasted across plains.
It is a Freycinet-gauge waterway, so most cruising boats and hire boats fit, but check your draught carefully. The Nivernais is one of the shallower canals on the network and the limits tighten after a dry summer. Read up on the Freycinet gauge canal dimensions before you commit a deep-draught boat to it.
The stretch everyone remembers
The thing people travel for is the summit, and in particular the passage at La Collancelle. Near the top of the canal, around the village of Baye, the waterway burrows through a series of tunnels and a deep rock cutting. The summit pound includes three tunnels, the longest of them carved through solid rock, run on a one-way schedule with set timings each direction.
I went through on a still morning in June 2023. You drop into the cutting, the trees close overhead, the light goes green and then dark, and you nose into a tunnel barely wider than the boat with the headlamp picking out wet rock a metre off each gunwale. It is the only time on the trip my wife stopped reading her book. We came out the far side onto the Étangs de Baye, two lakes that feed the summit, mirror-flat that morning, and we just stopped the engine and drifted.
The summit is also fed by an elegant aqueduct at Montreuillon, carrying the feeder channel high across a valley, the kind of nineteenth-century engineering that France does so casually you almost miss it.
What the locks are like
A hundred and twelve locks across 174 kilometres is a lot, and most of them are still hand-worked or attended by VNF keepers rather than fully automated. The southern section in particular gives you flight after flight of manual locks, and on a busy day you will work hard.
I came to love them. The Nivernais keepers were among the friendliest I met anywhere, and several are based in lock cottages with gardens you would happily stop and photograph. The pace is the usual gentle 6 km/h between locks, and everything pauses for the lunch hour, so you plan your day around the keepers' clock. If the daily rhythm of locks and bike runs is new to you, I wrote about daily life on the French canals separately and the Nivernais is exactly the canal I had in mind.
Towns worth stopping for
Do not rush this canal. The towns are half the reason to be here.
Auxerre, at the northern end on the Yonne, is a proper small city with a cathedral rising straight off the riverbank and a mooring right under it. We spent two nights there at the start and could have spent four.
Clamecy, further south, sits where the old firewood floaters once gathered. It is a handsome, slightly faded town with a remarkable church and very few tourists.
Châtillon-en-Bazois has a chateau reflected in the canal and a useful base for stocking up before the quieter southern run.
Between the towns it is countryside the whole way: vineyards in the north, then wooded hills and the Morvan regional park flanking the summit. The towpath is good for cycling, so we often rode ahead to the next village for bread and the market.
How long to allow
People try to do the Nivernais in a week. You can, but you will spend it working locks and seeing the canal through a windscreen. Give it ten days to two weeks one way if you possibly can. We took twelve days Auxerre to Decize and still felt we hurried the southern flights.
A rough shape that works:
- Auxerre to Clamecy, three or four days, easing into the lock rhythm.
- Clamecy up to the Baye summit and the tunnels, three days, the scenic heart.
- The southern descent to Decize, three or four days, the hardest lock work and the quietest country.
At Decize you meet the Loire and the Canal latéral à la Loire, so the Nivernais joins up neatly into a longer Burgundy loop if you have the season for it.
Practical notes for a foreign cruiser
A few things that smoothed our trip and might smooth yours.
You will need a VNF licence, the vignette, to cruise the canal, scaled to your boat's length and available as a day, week, month or annual pass. A 10-metre boat paid a little over 320 euros for the year in 2024, with a useful discount for buying the annual package before the end of March. Sort it before you arrive rather than fumbling at the first lock.
Bring or buy bikes. The towpath alongside much of the Nivernais is good, and with 112 locks to work, having one person ride ahead to set up at a lock or scout a mooring genuinely speeds the day and saves the legs.
Carry water and provision in the towns. The southern half is quiet, and the gaps between shops are real. We left Châtillon-en-Bazois fully stocked and were glad of it.
Mind the season. The Nivernais is shallow and the summit tunnels run on fixed timings, so check VNF notices for the current draught limits and the tunnel schedule before you set out. Spring and early summer give you the best water levels; a late, dry August can leave the upper pounds thin.
When to go
We went in June and I would do it again in a heartbeat. The water was high after the spring, the lock-keepers' gardens were in flower, and the long evenings meant we could cruise until seven and still eat on deck in the light. May and June are my pick.
July and August bring more boats, especially hire boats around Auxerre and the summit, and lower water as the summer dries out. September is lovely and quiet but the days shorten and some services start winding down. Whatever month you choose, the summit at La Collancelle is worth timing your whole trip around.
Is it actually the prettiest?
Honestly, prettiest is a fight you cannot win. The neighbouring Canal de Bourgogne by boat has its own admirers, the southern canals have the light and the cypresses. But for a first canal, for the combination of scenery, friendly keepers, real towns and that astonishing rock-cut summit, the Nivernais is the one I send people to. Go slowly, learn your "bonjour", and let the summit tunnels do the rest.
