Our boat (snb emilyanne) is 58ft long, and all other dimentions are also designed to "go anywhere on the system" which she just about has. Bar the hudderfield/rochdale, which we are going to do this year. - And if i had to make the desision again, i'd do the same. Even with the engineroom and coal taking up 14ft of that.
However, theres still no reason why you shouldnt have a 70ft'er. What i personally would suggest, would be that you purchase a nicholsons os "Inlandwaterways map of greatbritain" for a fiver, and got though it and highlight all the 70+ft canals. And see what you think about that for a terratory. Daniel
