There's the trailhead for the SWU-Trail Blaustein, located in the near of the new Science Park III in Ulm, Baden-Württemberg, Germany.
The SWU trail Blaustein is a public sports facility of the sections Ulm and SSV Ulm 1846 of the German Alpine Club (DAV), which is available to all interested users.
It has to be expressly noted that this is a cross-country course. Depending on itinerary slight (!) To high (!!!) requires driving skills as well as a suitable and technically perfect mountain bike. The DAV or its delegated representatives are empowered by the use of the system completely or partially excluded bikers who are overwhelmed by the route.