Southeast of Frankfurt, the Otzberg area has a 12 mile mapped trail system over steep rocky terrain. To reach the hiking trailhead from Frankfurt, head east on the Autobahn 3 towards Wurzburg and exit onto B45 towards Dieburg/Gross Umstadt. After passing Gross Umstadt, turn right onto B426 towards Otzberg. Park near a soccer field on the right and maps are posted for the numbered trails.
Overall, Otzberg is the 6th most popular hiking trail of all 11 hikes in Germany.