Pig Farm features 30 miles of hiking trails near Whitefish, MT.
Going north on 93 from Whitefish, hang a left on Twin Bridges road, hang a left on lodge pole road, and then hang a left on farm to market road. About a mile from that intersection there is a turnout on the right.
http://www.tripleblaze.com/trail.php?c=3&i=1004