Mountain bike trails are open daily from May 1 to November 16. Trails are closed to bikes starting on November 17 through April. Trails are also closed to bikes anytime excessively wet conditions exist during the bike season. Approximately, 15 km (10 mi) of xc ski trail are open for biking. Beginning in 2003, P.A.S.T.A. (Point Area Single Track Association) has added over 13 miles of single track of various skill levels. There are plenty of climbs, roots, and rocks that wind throughout the wooded park. Mountain bikes must stay on designated trails at all times. All single track is signed and one way only. Trails are very well marked. There is a $3 trail use fee, or $20 for the season.
Head east on Hwy 10 out of Stevens Point. Turn south on Hwy J for five miles. Turn left (east) on Hwy B for about 1 mile, turn south on Custer Road for a little over a mile. Turn left again (east) on Standing Rocks Road. In about 1 mile looking for parking for mountain bike trails (well marked) on the left.
http://www.singletracks.com/item.php?c=1&i=2232