scotland has really good access rights, so you can walk more or less wherever you wish, as long as you're responsible about it. but it lacks a complete map of its path network. so the charity's been creating a digital map of its own. it brings together all known existing paths, using data from ordnance survey and information from 0penstreetmap and local authorities. one of the surprising things about scotland is it's actually harder to find places to walk than you might imagine. we've got all this amazing green space around us but, actually, if you pick up a paper map, you might really struggle to find a path you want to walk. and so, one of the things that we're trying to do with the scottish paths map is actually to make those places easier to find for everybody, wherever they live. how many paths do you think are out there for people to discover that aren't on the map? so, we've discovered something like 20,000 new paths in the short