[2] It is located in the municipality of Ruovesi and has an area of 49.8 square kilometres (19.2 sq mi).

The area includes deep gorges and rugged scenery formed by faults running through the bedrock.

The most impressive attraction is the cleft Helvetinkolu at the south-eastern end of Lake Helvetinjärvi.

Media related to Helvetinjärvi National Park at Wikimedia Commons

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