Burg Stuer, Medieval castle ruin in Stuer, Germany.

Burg Stuer is a medieval castle ruin in Stuer situated directly beside water in Mecklenburg-Vorpommern. The stone walls and foundations reveal the structure of a fortified complex that was designed to use the surrounding water as part of its defense system.

The von Flotow family built the castle in the mid-14th century as a water castle, following enfeoffment by the princes of Werle. A fire in 1660 led to its abandonment, though the outer bailey remained inhabited into the 1930s. Later used as a quarry, only the residential tower survived in part and housed a small museum until the 1940s.

The ruins show how noble families lived and displayed their power in medieval northern Germany. The location right by the water was a common choice for such strongholds and remains visible today.

Paths and stairs have been opened for tourism, but the ruin continues to decay and entering the complex is life-threatening. The wet meadows around the hill have been flooded in recent years, so the castle mound is again partly surrounded by water. View the remains from the safe paths rather than climbing on the masonry.

Excavations at the site have uncovered evidence of water channels and defensive structures that show how carefully the castle's defenses were engineered. These findings offer rare insight into medieval construction techniques that are often hidden beneath the soil.