Hainburg connects very different types of landscape elements in a limited geographic space. The Danube quickens as it passes through the narrows marked by Braunsberg peak and Devin Castle, but afterwards it widens and begins to flow more slowly. The river regulation at the beginning of the 20th century created the so-called Hainburg "Kastln", vernacular for expansive areas of tranquil waters.
The karstic cliffs of the Braunsberg encouraged the development of dry grassland habitats in which many rare flora and fauna species have found shelter. The forests on the slopes of the mountain are markedly drier and differ considerably from typical wetlands vegetation.
On a small scale there are still remnants of old pastures. In former times, many different farmers all used the area for cattle grazing by day, driving the cattle back down the hill to their respective farms every night.
From the Braunsberg plateau there are panoramic views not only of the entire wetlands and the chain of peaks in the Hundsheim range, but also magnificent vistas extending far into Slovakia.
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