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Geotope Geotope · Ruokolahti · 102 m

Kummakivi erratic boulder

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Saimaa UNESCO Global Geopark Verified partner 
  • The balancing rock is a fascinating attraction in Saimaa
    The balancing rock is a fascinating attraction in Saimaa
    Photo: A Hämäläinen/Saimaa Geopark

The boulder is special since only around 0.5m2of its surface area is in contact with the rock below it. 

Kummakivi is protected as a natural monument outlined in the Nature Conservation Act.

Kummakivi is an erratic boulder which was glacially transported to rest on top of a rôche moutonnée. The boulder is special since only around 0.5m2of its surface area is in contact with the rock below it. The dimensions of the boulder itself are approx. 7m x 4m x 5m. Both the rôche moutonnée and the erratic boulder are mixed granite-cordierite-mica gneiss typical for the area, and the grooves and chatter marks on the rôche moutonnée tell of glacial erosion. The area emerged from underneath the continental ice sheet around 11,500 years ago, when the environment around Kummakivi differed drastically from that of today: instead of nestling in the shade of the forest, the boulder was perched on the shore of an ancient ice lake.

Kummakivi erratic boulder on Saimaa Geopark website

Price:

No entrance fee at Saimaa Geopark

Downloads

Lue Kummakiven tarina! / Read a story about "Strange rock"

Public transport

Public transport does not operate to Kummakivi.

Directions

The road number 62 between Ruokolahti and Puumala turns to Hauklapintie. The crossing is about 27 kilometers from the center of Ruokolahti.

Drive to Hauklapintie road. After a few kilometers the road changes to Mäntylahdentie. After 10 kilometers of road number 62 turn left to Kummakiventie road. Drive about 500 meters on Kummakiventie until the narrow dirt road turns right. At its end, about 200 meters away, there is a turning point for cars.

The path starts at the end of the turning point. Follow the path just over 500 meters, so you end up on the Kummakivi erratic.

Parking

The parking area is at Kummakivenmäki, where the cars are turned. Another parking space can be found on the shore of Pitkäjärvi.

Coordinates

DD
61.493532, 28.429185
DMS
61°29'36.7"N 28°25'45.1"E
UTM
35V 576092 6818595
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Recommendations nearby

recommended route Difficulty easy
Distance 2.2 km
Duration 0:35 h
Ascent 24 m
Descent 24 m

In the middle of the forest, a huge boulder is balancing on a convex rock. It has been in place for millennia. Kummakivi is protected as a natural ...

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Saimaa UNESCO Global Geopark
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Kummakivi erratic boulder


56310 Ruokolahti
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Maps and trails
recommended route Difficulty easy
Distance 2.2 km
Duration 0:35 h
Ascent 24 m
Descent 24 m

In the middle of the forest, a huge boulder is balancing on a convex rock. It has been in place for millennia. Kummakivi is protected as a natural ...

No ratings (yet)
Saimaa UNESCO Global Geopark
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