Grand Duchy of Finland, part of the Russian Empire. The nature reserve was founded to protect the surroundings of Imatrankoski rapids, the first and foremost tourist attraction of its time in Finland. However, after the first World War environmentalism gave way to growing needs for electricity, and a dam was built for the hydroelectric plant in the 1920's.
Muinaisuoman luontopolku) walks you through the area where the ancient Vuoksi river used to roam free. The nature trail is marked with blue paint / pine cone symbols and it begins on the side of the hydroelectric plant of Vuoksi river, returning to the Imatrankoski rapids ravine. The signs are only in Finnish, but the trail is only 1,5 km long and easy to follow. Note that some areas may be wet or muddy.
However, if the water in the canal above the hydroelectric plant ever overflows, this is where the rushing water will land, following the overflow canal from the right...But that would be an extremely rare occurrence.
The spruces are protecting a growth of polypody (kallioimarre in Finnish) covering the rocks. Polypody has maintained its green colour although it is already November. Very soon they will turn yellow.
Very soon it is time to turn your eyes to the ground, and not just to watch your step.
giant's kettles (potholes) which have the currents and rocks have co-created when the ancient Vuoksi river flowed right here.