On just 18 kilometers, the southwest loop of Route 31 offers a lot to look at and linger. You can also discover a lot of educational information about the origins of the city of Salzgitter along the way.The brine spa town of Salzgitter-Bad is the ideal starting point. Across the historic old town, we continue to lattice to the open-air museum. The tour leads via Hohenrode to Ringelheim along the Innerste river, which invites you to cool off in many places in summer.The Ringelheim Castle Park with the Catholic Church of St. Abdon and Sennen and the historic pigeon tower is also worth seeing before returning to the starting point.