Australian Canal Society  
   A non-profit group of people interested in canals and inland waterways in Australia and the rest of the world.
   http://linus.socs.uts.edu.au/~colville/acs/

DBA the Barge Association  
   A non-profit limited company run by volunteers and open to everybody, with or without a boat or barge, who is, or would like to be, involved in living in, cruising in, converting, or just relaxing aboard such vessels.
   http://www.barges.org/

World Canals Conference  
   An international organization that promotes the protection and revitalization of canal systems. Site includes information on this year's conference as well as on past conferences.
   http://www.worldcanalsconference.org