Inland waterways consultancy and publishing

Transmanche Consultants is continuing the activities developed by David Edwards-May with his previous company Euromapping from 1993 to 2014. The company’s relocation in Lille reflects the strategic importance of northern France in the European inland waterways, for inland water transport, recreational uses and urban regeneration. All the publishing and consulting activities are continuing as before under the direction of David Edwards-May.

The company is a corporate member of Inland Waterways International. David Edwards-May is also a vice-president of  IWI, and a life member of the World Association for Waterborne Transport Infrastructure (PIANC).

Discover the 5th edition of our European Waterways map and directory

The company is a corporate member of Inland Waterways International. David Edwards-May is a life member of PIANC. Transmanche is also a privileged partner of Linssen Yachts and Linssen Boating Holidays.

Transmanche thanks all the clients for their confidence over the last 21 years.

Expertise in France and abroad

Transmanche provides consulting services and expert appraisals for the development of inland waterways and their multiple uses. The qualifications of the founder and external partners mean that the company can undertake multidisciplinary studies covering complete waterway networks (e.g. the Canal des Deux Mers, the rivers Lot and Baïse, the cross-border French-Belgian waterway network, the Rhône-Saône basin) or specific waterway sites such as boat harbours or urban sites enhanced by inland waterways.


The 5th edition of our European Waterways Map and Directory was recently published (English edition in November 2014, and the French and German editions in January 2015. The latter was published by our partner Delius Klasing as a title in the Edition Maritim collection. All our available in our on-line shop.

For more information