 The glacier of the penultimate, the crack ice age (200,000 to 130,000 years before today) crossed the territory of the community with repeated advances and left deep valleys and small lakes between steep hills with fat ground moraine on hills and slopes for agriculture and gravel for the gravel pits.The glacier of the last, the Würm Ice Age (115,000 to 11,500 years before today) did not reach the municipality, but remained stuck south of Bad Saulgau.His melt waters filled the Schwarzachtal with gravel.