More info at:
http://www.ukriversguidebook.co.uk/forum/viewtopic.php?p=759863
You will need to register direct with the organisers (not BCC). However if you register on the Events Diary also others in BCC will be able to see you are going and vice versa so you can organise lifts etc.
Bath Canoe Club Ltd, The Old Organ Factory, Cleveland Cottages, Bath BA1 5DD.