The Up the Rannach and down into the Dultgraben is a 10.8 km looped trail that starts and ends in Gratkorn, Bezirk Graz-Umgebung, Austria. Based on our data, the trail is graded as Medium. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.This trail can be completed in approx 3 hrs 38 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.Photo Credit :Clemens Stockner