I just read this story in the New York Times and thought that those of you who are Mountain Bikera would enjoy it. The trail is 144.7 miles long!  http://mobile.nytimes.com/2016/09/18/travel/maah-daah-hey-trail-badlands-biking.html?emc=edit_th_20160918&nl=todaysheadlines&nlid=38642271&_r=0&referer=