Sorry, I'm not quite sure I understand all the vengy swift and terible justice meted out above.
Twice I had campers squatting on my wooded west 10 acres up in Boulder and I told them it was private property, they could stay the night, but be careful with fires, don't mess with the horses, and clear out tomorrow, OK?
No problem, and thank you, and gone the next day by noon.
This was about forty years ago. I guess they thought it was a park --even though there was a casual unofficial rusty No Trespassing sign posted by the road by the last owner which could have been missed.
Funny thing was, I had set up a private 100yd rifle range out there and one time I was doing some shooting and didn't realize they were camping in the wooded area. So with me banging away two of their party hotfooted over to me to advise me all self-righteously that there was no shooting in this area!
I had to laugh over that one, but advised them the same thing. (The ground was zoned Ag-Transitional, all perfectly legal.)
Apologies and promises to leave and thank yous ensued.
That pretty little parcel nowadays is part of an official hiking trail.
Terry