Natural monuments around Postmünster offer a tranquil natural setting within the district of Rottal-Inn, Bavaria. The region features diverse landscapes, including the Rottauensee reservoir and various geological formations. These natural features provide opportunities for recreation and nature observation. The area is characterized by its natural beauty and accessible outdoor spaces.
Last updated: June 24, 2026
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Block stream Kaser Steinstube > a geotope The impressive block stream of the "Kaser Steinstube" begins below the quartz conglomerate horizon, which is broken into large plates and is located at the edge of the plateau, and stretches down the slope for more than 100 m. A temporary stream flows through it. In some places the quartz conglomerate blocks pile up on top of each other and form small cover caves. The block stream was formed in the Pleistocene at a time of increased erosion and soil flow in the periglacial area. The geotope was awarded the "Bavaria's 100 most beautiful geotopes" seal of quality and is explained on site with an information board. Further information at: https://www.lfu.bayern.de/geologie/bayerns_schoenste_geotope/index.htm. https://www.umweltatlas.bayern.de/standortauskunft/rest/reporting/sb_geotope/generate?additionallayerfieldvalue=277R001 (Bavarian State Office for the Environment (LfU))
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Block stream with Hitzlinger Bach > a geotope The meandering stream bed of the Hitzlinger Bach is accompanied by numerous blocks of quartz conglomerate. When the water flow is stronger, the stream forms small waterfalls on steeper passages. The blocks are evidence of a Pleistocene solifluction cover. The blocks come from the quartz conglomerate bank on the upper slope and have reached their current location through erosion and slope sliding. The washing out of the fine material has exposed the blocks in the stream bed. (Bavarian State Office for the Environment (LfU)) Further information: https://www.umweltatlas.bayern.de/standortauskunft/rest/reporting/sb_geotope/generate?additionallayerfieldvalue=277R004
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the route around the Rottauensee is an easy, family-friendly, very beautiful route and you can eat very well at the Rottauensee in Italia am See (Schwanhof 1, Postmünster)
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Is a bit hidden and can only be reached with a decent mountain bike
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Drachenfelsen in the middle of the forest near Asenham. Easily accessible by bike.
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I also found the Drachenfelsen. Nice destination for the whole family.
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Attention is directly on the way but can easily be overlooked, is well camouflaged because of the moss growth and the surrounding trees
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In 1954, the Rott flooded 7000 hectares of agricultural land and brought down buildings and bridges. The floods of 1965 also caused damage. From 1968 to 1973, the Free State of Bavaria built a retention basin near Postmünster. At the same time, a hydropower plant with an output of 300 kilowatts and a standard capacity of 1.1 million kWh per year was built
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Around Postmünster, you can explore a variety of natural monuments, including significant geological formations like block streams, ancient trees, and the expansive Lake Rottauensee. The region is known for its diverse natural beauty, offering everything from unique rock formations to tranquil lake environments.
Yes, Postmünster is notable for its geological natural monuments. A prime example is the Kaser Steinstube Blockstream, an impressive geotope featuring a block stream stretching over 100 meters down a slope. Another is the Block stream at Hitzlinger Bach, where the stream bed is accompanied by numerous quartz conglomerate blocks, forming small waterfalls during stronger water flow.
The Lake Rottauensee, also known as Rottstausee, is a reservoir beautifully nestled in the Rottal valley. It's a popular local recreation area where you can enjoy walking and cycling on paths around the lake, swimming, sailing, and surfing. In winter, it offers opportunities for cross-country skiing, curling, and ice skating. It's also a vital habitat for various animal and plant species, making it excellent for nature observation and birdwatching.
Yes, despite its somewhat turbid, light brown color due to the earthy lakebed, the water quality of Lake Rottauensee is regularly monitored and considered very suitable for swimming from a microbiological perspective. Efforts have been made to reduce sediment input, leading to stabilized water quality.
Absolutely. Many natural monuments in the area are suitable for families. Lake Rottauensee offers various recreational activities for all ages. The Kaser Steinstube Blockstream is often highlighted as a great destination for children, and the Old Oak Tree Natural Monument provides a peaceful spot for a family outing.
The Rottauensee is a significant habitat for diverse animal and plant species, including rare ones. It serves as an important resting place for migratory birds, making it ideal for birdwatching. Depending on the season, you might spot species such as the Common Tern, Great Egret, Eurasian Teal, Goosander, and Common Kingfisher.
Yes, you can discover the Drachenfelsen Boulder, a natural monument located within a forest. It's often camouflaged by moss and surrounding trees, making its discovery a unique experience for visitors. It's a popular spot for families and those looking for a hidden gem.
The area around Postmünster's natural monuments offers a range of outdoor activities. You can enjoy gravel biking, road cycling, and mountain biking. For example, there are routes like the "Lake Rottauen – The Rott River in Postmünster loop" for gravel biking and various road cycling routes that pass by Lake Rottauensee. You can find more details on routes in the Gravel biking around Postmünster, Road Cycling Routes around Postmünster, and MTB Trails around Postmünster guides.
Yes, you can find the Old Oak Tree Natural Monument. This very beautiful ancient oak tree stands in an open meadow area to the right of the road and has a circumference of between 4.50 and 5 meters, making it a truly impressive sight.
The natural monuments around Postmünster offer experiences throughout the year. Lake Rottauensee is popular for water activities in warmer months and transforms into a winter sports hub for cross-country skiing and ice skating when frozen. Spring and autumn are ideal for walking and cycling, with pleasant temperatures and beautiful scenery, especially along tree-lined routes like the Linden Avenue near Degernbach.
Visitors particularly enjoy the tranquil natural setting and the diverse recreational opportunities. The Rottauensee is praised for its beauty and accessibility, offering many ways to relax and be active. Geological sites like the Kaser Steinstube Blockstream are considered highlights, especially for families, and the hidden nature of the Drachenfelsen Boulder makes for an exciting discovery.


Extend your search for the best caves by checking out these guides of the top ones around Postmünster: