Grasslhöhle
Dive into the eternal night, walk through an underground magic land. Comfortable walkways, effective lighting, striking stalactite formations make the cave a special natural experience.
AT A GLANCE
OPENING HOURS
19.04.- 31.10.2026 For details see www.grasslhoehle.at (closed on Wednesday)
WHAT YOU SHOULD KNOW
Time required
1 hours