Nationalpark Donau-Auen Naturzone Vienna
National Park

Nationalpark Donau-Auen Naturzone Vienna, National Park 
Collecting plants - The removal of natural materials (picking flowers, mushrooms, berries, nuts, river pebbles, etc.) for personal use does not constitute interference within the meaning of the national park laws. Use for commercial purposes is not permitted. Strictly protected plants may not be collected (Management Plan 2019-2028, p. 64). Mushroom collecting - The removal of natural materials (picking flowers, mushrooms, berries, nuts, river pebbles, etc.) for personal use does not constitute interference within the meaning of the national park laws. Use for commercial purposes is not permitted. Strictly protected plants may not be collected (Management Plan 2019-2028, p. 64). Collecting minerals/fossils - The removal of natural materials (picking flowers, mushrooms, berries, nuts, river pebbles, etc.) for personal use does not constitute interference within the meaning of the national park laws. Use for commercial purposes is not permitted. Strictly protected plants may not be collected (Management Plan 2019-2028, p. 64). Fishing - Exemption from the prohibition by acquiring a fishing license from the authorities responsible for fishing in waters designated for fishing, see explanations in the Management Plan 2019 -2028 p. 64 fl. Swimming - On those bank areas of the Danube and at the natural bathing areas shown on the maps, where visitors are permitted to enter from the water and via the land (see Waterways Traffic Regulations), bathing is also permitted as a common use of a public body of water in accordance with $ 8 (Water Rights Act) in accordance with the natural conditions available to everyone at their own risk (Management Plan 2019 - 2028, p.62). Photographing/filming - Prohibition of commercial use and/or the construction of shelters, hiding places for camouflage, etc.  
Nationalpark Donau-Auen GmbH
https://www.donauauen.at