The UNESCO Biosphere Reserve Lake Constance encompasses a unique transboundary natural and cultural landscape that combines alpine lake ecology, rich biodiversity, and vibrant human settlements, offering diverse outdoor activities from hiking to boating.
The UNESCO Biosphere Reserve Lake Constance covers the shores and surrounding lands of Lake Constance (Bodensee), one of Europe's largest freshwater lakes spanning the border region among Germany, Austria, and Switzerland. Established in 2018, this biosphere reserve integrates parts of the German federal states of Baden-Württemberg and Bavaria as well as Swiss and Austrian territories. Its geography is marked by the extensive lake basin surrounded by rolling hills, wetlands, floodplain forests, and agricultural areas that support a unique mosaic of habitats. Ecologically, the reserve is important for the protection of aquatic flora and fauna, diverse fish species including pike and whitefish, water birds such as grebes and cormorants, and rare amphibians and insects. The lake's dynamic water level fluctuations and protected shoreline zones provide crucial breeding and feeding grounds. Historically, Lake Constance has been a focal point for transportation, trade, and cultural exchange, with Roman and medieval heritage sites dotting the region. Outdoor recreation here is heavily influenced by the vast water body and its scenic surroundings: visitors enjoy sailing, kayaking, stand-up paddleboarding, and fishing on the lake, while extensive connected cycling and hiking trails along the shorelines and through adjacent nature reserves offer year-round opportunities to explore rich landscapes. Iconic landmarks within or near the biosphere include Mainau Island, famed for its botanical gardens, and the historic towns of Konstanz and Lindau, which combine cultural amenities with access to natural beauty. The UNESCO Biosphere Reserve Lake Constance exemplifies a harmonious blend of human use and nature conservation, making it attractive for nature lovers, outdoor enthusiasts, and cultural travelers alike.
Mainau Island – renowned flower island with botanical gardens
Rhein River Delta – ecologically important floodplains and bird habitats
Historic Old Town of Konstanz – cultural hub and lakeside access
Lake Constance Cycle Path – scenic multi-national cycling route around the lake
Third-largest lake in Central Europe, known for its clean water, fishing resources, and as a natural habitat for many aquatic species.
A privately owned island famous for its impressive flower gardens, butterfly house, and mild microclimate.
An ecologically significant wetland area where the Rhine flows into Lake Constance, supporting rare bird species and floodplain forests.