Canal Depths + Widths .. see also > Routes to the Mediterranean | Pilot Books| Waterways 

Waterway Depths, Heights and Widths

This is our selection of some key VNF waterways; it is not at all an exhaustive list. Figures given below are the minimum depths, heights (air clearances) and widths for the various combinations of rivers and canals indicated (i.e the worst cases), and have been rounded down.
 

French waterways network map - depths and heights
French waterways network map - depths and heights
French waterways network map - depths and heights
French waterways network map - depths and heights
French waterways network map - depths and heights
French waterways network map - depths and heights
French waterways network map - depths and heights

THE NORTHERN WATERWAYS Minimum Depth Minimum Height Minimum Width
> Dunkerque to Escaut 3.00m 4.45m 11.00m
> Calais entry 2.00m 3.45m 8.00m
  Canal du Nord 2.20m 3.70m 5.70m
  Canal de St-Quentin 2.20m 3.50m 5.60m
> Somme (reports 2006-2008) 1.20m 3.50m 5.00m
TO, FROM and AROUND PARIS
> Seine (through Paris to the Marne) 3.00m 6.90m 11.40m
  Seine (Marne to Yonne and Canal du Loing) 2.80m 5.50m 11.40m
  Oise, Lateral a l'Oise 2.20m 3.90m 6.00m
  Aisne, Aisne a la Marne 1.80m 3.50m 5.00m
  Marne, Lateral a la Marne 1.80m 3.50m 5.20m
 
CENTRAL FRANCE Minimum Depth Minimum Height Minimum Width
  Loing, Briare, Lateral a la Loire 1.80m 3.50m 5.00m
  Nivernais 1.20m 2.90m 5.00m
  Canal de Bourgogne 1.40m 3.10m 5.00m
  Marne a la Saone 1.80m 3.50m 5.00m
  Saone 2.00m 3.50m 5.00m
EASTERN FRANCE
  Marne au Rhin 1.80m 3.50m 5.00m
  Canal de l'Est, Meuse 1.80m 3.50m 5.00m
  Moselle 2.90m 5.10m 11.00m
  Rhone au Rhin 1.80m 3.50m 5.00m
  Canal d'Alsace, Rhin 2.10m 6.75m 22.00m
 
BRITTANY and LOIRE Minimum Depth Minimum Height Minimum Width
  Ille et Rance, Vilaine 1.20m 2.50m 4.50m
  Blavet**, Nantes a Brest (** tidal - variable minms.) 1.10m 2.40m 4.60m
  Loire Tidal 4.50m
  Oudon, Mayenne, Sarthe 1.4m + 1.1m 4.1m + 2.8m 5.00m
 
RHONE and ENTRE DES MERS
> Rhone 3.00m 6.00m 11.00m
> Petit Rhone, Rhone a Sete 2.20m 5.00m 8.00m
  Midi (** in theory, check current depth with VNF) apx 1.60m** 3.30m 5.40m
>Lateral a la Garonne, Garonne (** tidal) 1.80m 3.50m 5.80m
 
Important Notes
1) This is according to the information we have - E+O.E. We've done our level best, but we may have got it wrong, or typed it in wrong. We are human, after all . . . .
2) Whatever printed documentation may state, depths vary according to season, and vary locally. As noted elsewhere on Grehan's website, depths immediately outside locks can vary significantly.
3) If it's critical, err on the side of caution. We have heard of stuck yachts that needed to be craned out of the Midi and loaded onto a transporter. You will float lower in fresh water than in salt water.
A Grehanman Guide

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