Siegaue, Nature reserve in Niederkassel, Germany.
Siegaue is a protected area along the Sieg River in Niederkassel, covering floodplain meadows, riverside woodland, and shallow river channels. The terrain is flat and open, with the river winding through it in broad curves.
The area was officially designated as a nature reserve in 1983 to protect what remained of the natural floodplain along the Sieg. Before that, parts of the land had been used for farming, which had altered the river's natural course over time.
The name Siegaue simply means the floodplain of the Sieg River, which describes exactly what you see: flat meadows that the river regularly covers with water. Along the paths, visitors can notice that some bordering fields are still used as grassland by local farmers, much as they have been for generations.
The reserve is accessible from several small parking areas on its edges, with marked walking paths that lead through the different parts of the area. Dogs must be kept on a leash, and visitors are asked to stay on the marked paths.
Where the Sieg splits into shallow channels, natural gravel banks form that are among the last nesting spots for the little ringed plover in this part of Germany. This small bird lays its eggs directly on the gravel without building a nest, making it nearly invisible to the untrained eye.
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