Helvetinjärvi National Park, located in the Pirkanmaa region of Finland, is a wild and rugged natural area covering 49.8 square kilometers. Established in 1982, this park showcases the stunning forests and deep gorges of the Tavastia region. One of its highlights is Helvetinkolu, a famous gorge at the southeastern end of Lake Helvetinjärvi. With its picturesque scenery and unique geological formations, this national park offers visitors a chance to immerse themselves in the beauty of Finland's wilderness.