Strange thing is, up here in Scotland the public have access to all land! there are no trespass laws in Scotland! we have the right to roam any where we like as long as we close farm gates behind us and dont dump our rubbish we can go where we please! ;-)
That's fine mate if you're out for a stroll but if you're carrying a firearm (even sub 12FPE rifles are firearms in the eyes of the law) without the permission of the land owner then you're fcuked as it's armed trespass...no ifs, buts or maybes