Did you know that around 10.2% of the area of Finland, 8.9% of Sweden, and 6% of Norway is covered with freshwater? Each of these countries has hundreds of thousands of lakes, which gives them the highest water-to-surface-area ratio of all European countries after the Netherlands (which is 18.4% freshwater, mostly artificial ponds and river deltas).
The map below is an accurate representation of water bodies in Scandinavia, Baltic countries, and Northwest Russia. You be the judge.
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To really help appreciate the size of the water bodies, here is a high-contrast inverted version:
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