Roll out of Walkertshofen and into the Naturpark Augsburg - Westliche Wälder, then follow the Mindel and Kammel rivers along the way. Schloss Burtenbach, a castle, comes next, before the Zusam river leads you back toward home. With 73.0 km ahead and 632 m of climbing, it's a loop that keeps moving. The route is nearly all paved, with just a touch of unpaved to keep things interesting.