Thanks paul, this is a very useful tool as a help for deciding routes with river crossings. May I add that overall you have produced a brilliant website
Thanks, always nice to get some feedback. We're now busy working on the next enhancement: making track1 load offer to update your log book and I'm hoping we'll be able to roll that out to live this week.
(We've also just created a new "Supporters" forum so I've moved your post over to here as it seems like the right place for it.)