Welcome to the Nationalpark Kalkalpen website, home to Austria's largest contiguous forest wilderness. Protecting the Reichraminger Hintergebirge and Sengsengebirge in Upper Austria, this vital forest national park boasts a diverse array of around 30 forest types that support over 10,000 species, including rare old-growth relic species. By ceasing human activities, dismantling infrastructure, and removing barriers to natural processes, this 16,000-hectare natural zone's prospects for high-value conservation have vastly improved.

Recognized as a UNESCO World Heritage site, the ancient beech forests within the park are teeming with life, including the oldest beech tree at over 550 years old. Explore guided tours, wilderness camps, hiking, cycling, and more to truly experience the wonder and importance of the Nationalpark Kalkalpen's forest wilderness. Immerse yourself in nature, and uncover the beauty and significance of this precious ecological gem