Private property. Membership required, Season is $25 or $50 for family. Members, teams, and local clubs use the 60-acre plus area for mountain biking. Ski slopes and cross country ski trails add up to fat tire fun in the spring, summer and fall seasons. Programs include time trials and racing. Single track, screaming downhills with lots of terrain, Straight ups and downs, and big double track climbs challenge even the best riders. The east pines provide kids and the more novice riders with a series of trails through pine forests that are relatively flat but very fun to cruise on.
I 39 ext 142A take 12 freeway around to middleton ext on US 14 W 3.5 miles. L on Twin Valley rd, Left on Blackhawk rd, on Left.
http://www.singletracks.com/item.php?c=1&i=8847