Krottensee, Natural lake in Gmunden, Austria.
Krottensee is a protected natural area near Gmunden formed in an ice age depression. The water body is surrounded by shoreline vegetation and accessible by a circular walking path that allows visitors to explore the site.
The water body formed at the end of the last ice age in a depression created by stagnant ice, surrounded by rock layers and sediments. This formation process is typical for many lakes in Austria and shapes the landscape to this day.
The lake holds significance in the region's past and was used by people in prehistoric times. The area still reflects traces of this early settlement and connects nature with human history.
The site is best explored on foot using the marked circular path that encircles the entire area. Information boards along the route explain the natural features and special characteristics of the place in an accessible way.
A floating island sits in the middle of the water and supports specialized plant species, including carnivorous types like sundew. This special ecosystem has developed in this isolated setting and offers a glimpse into rare habitats.
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