On the western slope of the Zeilerberg, approx. 3km north of Winden am See, directly next to the road to Bruck a.d. Leitha, lies the Windener Bärenhöhle. Consisting of six artificially strongly modified half caves of different sizes from 1 to 12m. The name "Grafenlucke" derives from an old name for the field, the second name from the former inhabitants who lived here until 1918. The forecourt of the caves is a picnic area.