Kirchenruine St. Laurentius, Medieval church ruins in Altmünden, Germany

Kirchenruine St. Laurentius in Altmünden features thick stone walls displaying both Romanesque and Gothic characteristics that reflect different building phases. The site includes a contemporary art installation made of two granite stones, with the upper one designed to collect rainwater and serve as an artistic baptismal font.

The original church was built during the medieval period and underwent several construction phases reflected in its architectural styles. During the Thirty Years' War, its stones were removed for other building projects, leading to its progressive decay.

The church served the village of Gimundi, a predecessor settlement of Münden whose traces survive only as wall remnants. Since 2000 a sculpture of two stacked granite blocks stands inside the ruin; the upper stone is hollowed into a baptismal basin that collects rainwater. The site lies in a small garden plot near the Weser.

The ruins lie in the Altmünden district near the Weser, not in the old town, within a small allotment garden area. The foundations are buried under up to 60 cm of soil, so look for the surviving choir wall corner built into a garden house and the eastern gable, whose upper 1.5 m was removed around 1960.

The ruins were discovered by chance during construction work in the 1990s when excavation revealed foundations hidden beneath the ground. Archaeological digs unexpectedly uncovered medieval coins, pottery, and animal remains from centuries past.