Danube Valley Nature Reserve (Donauauen) is a vital protected wetland area along the Danube River characterized by diverse floodplain forests and rich biodiversity, offering tranquil outdoor experiences close to urban centers.
The Danube Valley Nature Reserve, commonly known as Donauauen, stretches along the Danube River between Vienna, Austria, and Bratislava, Slovakia. This broad stretch of floodplain forest and wetlands forms one of the largest remaining natural riverine habitats in Central Europe. The reserve's geography includes a network of old river arms, oxbow lakes, extensive forest patches, marshes, and meadows, providing ideal habitats for a wide variety of flora and fauna. The area has remained relatively undisturbed compared to other segments of the Danube, due to conservation efforts beginning in the mid-20th century. Historically, the Danube floodplains have undergone extensive human alteration, but Donauauen protects critical remnants of these habitats. Visitors to the reserve enjoy hiking and cycling along well-maintained trails, bird watching—especially during migration seasons—and paddling in designated river sections. The reserve is home to rare species such as the European pond turtle and offers opportunities to observe large mammals, amphibians, and an abundance of bird species including white-tailed eagles and kingfishers. Notable landmarks include restored floodplain forest segments and designated ecological research stations. Its proximity to urban centers allows for accessible nature experiences, environmental education, and outdoor recreation within a unique riparian environment.
Extensive floodplain forest and wetland ecosystem along the Danube River
Diverse bird species viewing, including white-tailed eagles and herons
Oxbow lakes offering peaceful paddling and fishing opportunities
Accessible cycling paths linking Vienna and Bratislava through natural scenery
Lakes formed from former Danube river channels offering tranquil paddling and diverse aquatic wildlife habitats.
Extensive hardwood forests that flood seasonally, supporting a rich variety of plants and animals unique to riverine environments.
A prime location within the reserve known for spotting rare and migratory bird species, including white-tailed eagles.