Wilderness Landscape & Natural Heritage
Erlen Nature Reserve, located on the Swiss shore of Lake Constance in the canton of Thurgau, encompasses an expansive network of wetlands, reed beds, and floodplain forests along the Thur River's mouth. This protected area serves as a critical habitat for numerous waterfowl, amphibians, and rare plant species, providing a rich ecological tapestry shaped by centuries of natural processes and careful conservation efforts. The reserve's geography is defined by its low-lying floodplains that experience seasonal inundation, supporting a dynamic ecosystem vital to migratory birds and local wildlife. Historically, the area was traditionally used for fishing and reed harvesting, but it has since been set aside to prioritize ecological preservation. Visitors to Erlen Nature Reserve can explore several well-maintained walking trails and observation platforms that allow immersive wildlife viewing without disturbing sensitive habitats. Key recreation opportunities include birdwatching—especially during migration seasons—nature photography, and educational tours led by local conservation groups. Notable landmarks include the expansive reed beds and the observation tower offering panoramic views of Lake Constance and the surrounding landscape. Its quiet atmosphere and rich biodiversity make Erlen an appealing destination for families, researchers, and outdoor lovers seeking a tranquil connection to nature. The reserve is a critical stopover for waterfowl species such as the Great Reed Warbler, Bearded Reedling, and various species of ducks and herons.
