The Swiss Tectonic Arena Sardona is a UNESCO World Heritage Site located in the Swiss cantons of St. Gallen, Glarus, and Graubünden. The site is named after the Sardona region of the Swiss Alps, which is known for its unique geology and stunning mountain landscapes.

The Swiss Tectonic Arena Sardona is recognized for its outstanding geological features, which provide a window into the earth's history and the processes that have shaped the planet over millions of years. The site features a unique cross-section of the Alps that reveals the effects of plate tectonics and other geological forces.

One of the most impressive features of the site is the Glarus Thrust, a massive geological fault that has pushed older rock layers over younger ones. The fault is visible in several locations throughout the region and provides a unique opportunity to study the forces that have shaped the earth's crust.

The Swiss Tectonic Arena Sardona is also known for its stunning mountain landscapes, which are a testament to the power and beauty of nature. The site includes several peaks, valleys, and glaciers, as well as a variety of plant and animal species that have adapted to life in this harsh and rugged environment.

Visitors to the Swiss Tectonic Arena Sardona can explore the region on foot, taking advantage of the many hiking trails that wind through the mountains and valleys. The site also offers guided tours and educational programs that provide insight into the geological and cultural history of the region.