The best family-friendly hikes and walks around Donau-Oder-Kanal

The weir 2 is a weir structure in the New Danube in the south of Vienna. It provides a connection to the Danube Island for pedestrians and cyclists. It was completed in 1988. Like the other two weir structures of the New Danube, weir 2 serves to regulate the water level of the New Danube. It consists of five weir fields with a clear width of 30.6 meters. It is a rigid system, meaning it is normally not moved, unlike the weirs at power plants. The weir closures are hydraulically operated pressure segments with a fixed overflow hood. At weir 2, two of the closures also have an additional stop log. Since it can also happen at this weir that the water flows through in the opposite direction, the segments are also designed for tensile stress. As the first test drillings for this structure revealed that the marl only occurs at a depth of 40 meters and is overlaid by very permeable sands, the site had to be relocated 470 meters from the planned location first. A necessary remediation of contaminated sites in the Lobau then forced a further shift of 50 meters.

A great recreational area for all Viennese and nature lovers, where different nature observations are possible in every season.

In the years 1785/86[2], the "chamber engineer" Johann Sigismund Hubert, on the orders of Emperor Joseph II, built a protective dam in the area from Langenzersdorf to Floridsdorf, which was intended to prevent floodwaters from entering the Marchfeld. Some Danube arms, such as the Schwarze Lacke, were separated from the river. But already at the next major flood in November 1787, the dam could not withstand the masses of water. The name Hubertusdamm is a reminder of engineer Hubert.[2]

To commemorate the events of the Pentecost days in 1809 for later generations, memorial stones were erected at the then important points of the French advance in the Lobau - popularly known as "Napoleon Stones". Over the years, overgrown by the floodplain forest, some of the total of 6 small obelisks were hardly to be found anymore. In the course of the realization of the "Donauauen" National Park, they were renovated. So you can now comfortably hike to these memorial sites on newly created paths.

The bridge offers a great opportunity to cross the Danube's relief channel.

Napoleon - Road From the bridgehead on the main arm of the Danube, a road led to this point, where the French army began its crossing into the Marchland on May 20, 1809...

The lighthouse was part of the iconic backdrop of the Bregenz Festival stage in the 1989 and 1990 seasons. It was part of the set design for Richard Wagner's 'The Flying Dutchman', directed by David Pountney. During the opera performances, Senta, a character in the opera, threw herself from the lighthouse into Lake Constance.

Above all, to supply Styria with natural gas, OMV needed a crossing of the Danube for a pipe with a diameter of 42 centimeters. Since, due to the large span, a conventional truss bridge for pipes would have been too heavy, Franz Masanz from Waagner-Biro AG designed a novel suspension bridge system, which was also patented.