Called "National Park Thayatal" on the Austrian side of the border / “Národní park Podyjí“ on the Czech side. Located along the 40 km long Thaya River with many meanders . surrounded by stones rocks and lakes with a unique geomorphology, nearly 42 km of the River Valley is uninhabited. After 1948 and the construction of the iron curtain this region was declared by the Communist regime "no-man's-land" (in order to prevent escape to the West), which at the same time ensured this area remained untouched and the best preserved and least affected River Valley in the Czech Republic. Total area 63 km2, highest point 536 metres above sea level, lowest point 207 metres above sea level, for 84% forested, unique Heather "prairie" zone. A huge variety of fauna and flora can be found: Perennial Honesty, Pasque Flower, European otter, European ground squirrel, Hoopoe, Black Stork, Eurasian Eagle-Owl, stag beetle, European mantis, great capricorn beetle, European rhinoceros beetle, Scarce Swallowtail, Clouded Apollo, etc. The eastern entrance gate to the park is Znojmo, whilst in the west it is the romantic town of Vranov nad Dyjí. In the heart of the national park lies hidden Hardegg, the picturesque smallest town in Austria where one of the oldest castles in the Dyje Valley is located. Cycling and hiking access to the park is allowed via marked routes and trails.