Mostly Double track, some trail off limits to bicycle. It's a defunct quarry with some hiking biking rock climbing swimming and scuba. Bike trails generally flat except some <br />
brief single track tech areas, one features a nice rock climb.
MN 23 E from I-94 or W from US15 to 28th Ave S 1/2 Mile Left (E) on Co Rd 137 1/4 <br /><br />mile on Left.
http://www.singletracks.com/item.php?c=1&i=5247