This is a geological natural heritage site, declared state-protected in 2007.

The height of the outcrop cliff (in many places steep as a wall) is about 10 m, the length along the river bend is up to 50 meters. The Vildžiūnai outcrop consists of Late Devonian part of the Šventoji suite and Quaternary sedimentary rocks.

Vildžiūnai (Virinta) outcrop