The coast of a length of one mile on either side of this bluff consists of a Muschelkalk cliff descending almost vertically to the sea.
The valley of the Saale cuts through Muschelkalk cliffs, in which a hermit's cave, the Klausloch, can still be seen to the north east of the town.
The community is rich in woodland (roughly 1 000 ha) at the seam between the Spessart’s mostly bunter-based geology and that found on the Fränkische Platte (a flat, mostly agricultural region), which is mostly Muschelkalk-based.
Steinfeld lies between Lohr am Main and Karlstadt on the Fränkische Platte (a flat, mostly agricultural region), in the zone where the geology changes from bunter- to Muschelkalk-based.