This is an interesting article
https://www.bbc.co.uk/news/uk-northern-ireland-49437479
there is too much of the land in private hands if you ask me. would be nice to have a sweden style right to roam
there was a bbc article about it recently but i can't find it.
https://en.wikipedia.org/wiki/Freedom_to_roam
as long as you are responsible you can walk anywhere in the nordic countries