 : Merzse Marsh Nature Trail 4th station. Pedunculate oak forest area. The Merzse Marsh is one of the few wetlwnd habitats in the capital with undisturbed water and uliginal vegetation and an adjoining bog field. The open water surface of the marsh offers nesting sites for water fowl. -  <a href="https://en.wikipedia.org/wiki/Budapest" class="extiw" title="en:Budapest">Budapest</a>, <a href="https://en.wikipedia.org/wiki/R%C3%A1kosmente" class="extiw" title="en:Rákosmente">District XVII</a>, Rákoshegy.
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