Whilst playing my monthly medal on the weekend we came across two boys on the course who had obviously came onto the course without permission, as they were messing around on the same hole for some time. Is this illegal? Is it a criminal offence to trespass on a golf course without paying? Or is it a civil offence of trespass? Or neither? I'm sure a lot would depend on whether it's a private or public course. Could a private course, privately owned, get them arrested and/or ban them from the course?