Gene's mapped routes:

Spring Grove to Richmond Short and Sweet.

Spring Grove to Hebron (Donut Shop get there before 10AM) 30 miles

Twin Lakes to Lake Geneva 25 miles

Spring Grove to Lake Geneva, Long Way Back.40 miles

Spring Grove, Hebron,, Lk Geneva, Twin Lakes, Richmond, Spring Grove 50 miles

udder century map McHenry County Bicycle Club route

New Harmon Hundred Route.Starts in Wilmot, three loops that meet in Lyons.