Lemminkäinen's Temple

Lemminkäinen's Temple is a natural tunnel running through the rock formation called Kyypelivuori in Sipoo municipality, east of Helsinki. The passage stretches roughly 50 meters (165 feet) into the stone and forms a narrow corridor that shifts depending on water levels.

Archaeologists explored the site between 1987 and 1999, uncovering an ax blade from the 12th century at the bottom of the passage. This discovery points to human activity in the area during medieval times.

The site takes its name from a hero in the Kalevala, Finland's national epic, known for his courage and wandering spirit. Visitors today come here drawn by connections to Finnish mythology and the pre-Christian past of the region.

The entrance often sits below the waterline, so check conditions before visiting and bring suitable gear if you plan to go inside. Sturdy footwear and a flashlight are necessary for anyone wanting to explore the passage.

A group called Temple Twelve plans further excavations hoping to uncover objects from Finland's pre-Christian era. Their interest centers on possible traces of old rituals or burial sites in the surrounding area.

Location: Sipoo

GPS coordinates: 60.26321,25.32440

Latest update: December 5, 2025 22:30