The source is at Glux-en-Glenne and the mouth is the Seine.
Navigation on the Yonne starts at Auxerre and ends at Montereau-Fault-Yonne.
The Yonne is 292 kilometres long (181.44 miles) with a total of 108 kilometres of navigable waterway.
There is a total of 26 locks, with an average of 1 lock every 4.15 kilometres (2.58 miles).
The highest point on the Yonne is 738 metres (2421′ 3″ ft) above sea level and the lowest point is at 55 metres (180′ 5″ ft) above sea level.
The water draft is 1.8 metres (3′ 3″ ft) and the air draft is 4.2 metres (13′ 1″ ft).
There are 9 "Large" locks
Lock length 93 metres (305′ 1″ ft)
Lock width 8.3 metres (26′ 3″ ft)
There are 14 "Large" locks
Lock length 96 metres (314′ 12″ ft)
Lock width 8.3 metres (26′ 3″ ft)
There are 3 "Large" locks
Lock length 96 metres (314′ 12″ ft)
Lock width 10.2 metres (32′ 10″ ft)
| Name | Itinerary | Passengers | |
|---|---|---|---|
| Aurora | Samois-sur-Seine to Joigny | 8 | View the itinerary |
| L'Art de Vivre | Auxerre to Chevroches | 8 | View the itinerary |
| La Vie en Rose | Saint Julien-sur-Dheune to Seurre 2022 | 6 | View the itinerary |
| Luciole | Classic Cruise | 12 | View the itinerary |
| Randle | Chevroches to Auxerre | 4 | View the itinerary |
| Fleet | Cruise route | |
|---|---|---|
| France Afloat | The Nivernais Canal | View the France Afloat boats |
| Locaboat | The Burgundy canal | View the Locaboat boats |
| Locaboat | The Nivernais canal & River Yonne | View the Locaboat boats |
| Le Boat | Nivernais | View the Le Boat boats |
| Nicols | Burgundy Canal | View the Nicols boats |