Riders ready to take their bicycles and explore lightly traveled roads in Douglas County have five different routes from which to choose during Saturday’s Cycle Umpqua Vineyard tour. Participants will meet at River Forks Park at 380 River Forks Park Road, west of Roseburg off Old Garden Valley Road. Registration and start times are staggered and depend on the length of the route taken. Riders leave at 7:30 a.m. for the 100-mile route and at 8 a.m. for the 75-mile route. Other start times are 8:30 a.m., 50-mile route; 9 a.m., 30-mile route; and a 10 a.m. group start, 15-mile …