Laws regarding public access to nature are much better in Europe & the UK than in the US.
If I remember correctly, Trespassing isn’t a viable law in Finland.
You want to walk across the land? Go ahead.
In the US: CRIME
Not just crime but in large parts of the country it’s a popular myth that they can shoot you for being on their property. They can’t, that’s ridiculous, but Hollywood and popular myth won’t let it die.
But what if you want to make moonshine or cook meth? How are you supposed to get some privacy with people traipsing all over the place?