Ancient komatiitic volcanism in Lapland
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Hike

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All ages

Message from Kanerva @ Seikkailumuikku

Small Sattasvaara - a small volcano?

This little 360-meter-high hill is located approximately 20 kilometers north of Sodankylä. Its slopes reveal the fossilized remnants of once-erupted lavas and other volcanic rocks that were part of the ancient seabed. The volcanic rocks of Sattasvaara crystallized over two billion years ago from extremely hot molten rock. Such rocks are no longer found on the cooled surface of today’s Earth. This is why the place is referred to as a Lapland volcano, even though Lapland’s hills and mountains are remnants of a folded mountain range. These formations consist of various rock types, primarily durable quartzite resulting from weathering, and they acquired their current shapes and elevation differences during the ice ages. So, although Sattasvaara is not a currently active volcano, its slopes exhibit exceptionally well-preserved examples of ancient volcanic rocks, which is why it is somewhat considered a volcano. Or at least, there was similar volcanic activity here at some point.

I highly recommend climbing Sattasvaara via the northern trail (which follows the contour lines and is the steepest route). This trail has been recently improved and is much easier than the "gentler" southern slope. Look for the forest road on the north side of Sattasvaara on the map and park your car there. Path to the top is just around 1 km.

At the top of Sattasvaara, you’ll find a charming and well-maintained fire warden’s cabin where you can enjoy your packed lunch.

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