Best natural monuments around Ottenhofen are found within its picturesque landscape in the Sempt valley, located in Bavaria, Germany. This region, situated approximately 11 km south of Erding, offers a variety of natural features for exploration. While specific prominent natural landmarks are not widely documented for Ottenhofen itself, the surrounding area provides notable natural features and popular hiking trails Ottenhofen Bavaria.
Last updated: June 24, 2026
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Highlight • Natural Monument
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A great path up there, with good terrain. Even though it's not very wide at times, it's still a great ride, with beautiful views of the lake and small benches that invite you to rest.
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Quiet place to watch the birds - caution: danger of mosquitoes!
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The reservoir is always a fascinating place to find peace and quiet for the soul.
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Speichersee and the Mittlerer Isar Kanal. If you drive a little further along the northern Speichersee road, you might be surprised by the engine noises coming from the BMW test track in Aschheim.
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The Sempt arises near Ottenhofen from the confluence of the Anzinger Sempt and the shorter Forstinninger Sempt. It is heavily fed by groundwater from the gravel plain, so that it is relatively cool in summer, rarely exceeding 17 °C, but it does not freeze in winter.[4] The most important tributary is the Strogen, which flows into Moosburg. At Wörth the Schwillach flows into the Sempt. At Berglern, the Sempt passes under the Mittlere-Isar Canal and flows into it between the compensation pond and the Echinger reservoir.
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Unfortunately you can only drive short sections directly on the water
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Nice bike ride, we drove downstream on the Isar river on the left side through the English Garden until we reached the Isarsteg Unterföhring. There we crossed the Isar and then turned right about 300 m upstream again, then at the next opportunity turned left up the small mountain and towards the reservoir. So we drove the tour the other way around.
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Many birds can be observed here
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The area around Ottenhofen, situated in the picturesque Sempt valley, offers a variety of natural features. You can discover significant water bodies like the Ismaning Reservoir, which is a protected area, and the Source of the Forstinninger Sempt, an idyllic river headwater with fish ponds. There's also the Müllner Bründl Spring, known for its tranquil setting.
Yes, several natural monuments around Ottenhofen are suitable for families. The Source of the Forstinninger Sempt offers narrow paths and benches, perfect for a family stroll. The Ismaning Reservoir is also family-friendly, providing opportunities to observe birds and fish in a natural setting. Additionally, the Müllner Bründl Spring is a quiet spot for a break with children.
The Ismaning Reservoir is a protected area, making it an excellent spot for birdwatching. Many different bird species live here, and the lake is also home to various fish. The Source of the Forstinninger Sempt area features several fish ponds, adding to the local aquatic life.
The area around Ottenhofen is great for various outdoor activities. You can find numerous routes for MTB trails, cycling, and gravel biking. Many of these routes pass by or are close to natural features like the Ismaning Reservoir and the Sempt River, offering scenic rides and walks.
Yes, some natural sites have historical significance. The Müllner Bründl Spring is associated with a legend dating back to the Battle of Hohenlinden in 1800, where its water is believed to have healing properties. At the Source of the Forstinninger Sempt, a treasure from the Middle Bronze Age was discovered, highlighting the area's ancient past.
Visitors appreciate the tranquility and natural beauty of the area. The Müllner Bründl Spring is often described as a 'nice quiet place for a little break.' The Source of the Forstinninger Sempt is praised for being an 'amazingly idyllic area with several fish ponds, narrow paths and several break benches.' The natural settings provide a peaceful escape on the outskirts of the city.
While the Ismaning Reservoir was indeed man-made, it has developed into a significant natural habitat. Since 1962, the lake and its surrounding area have been declared a protected zone due to the diverse bird and fish populations it supports, making it a recognized natural monument for its ecological value.
Yes, the Müllner Bründl Spring is known as a quiet and peaceful place for a break. Additionally, the House of Peace and Bat Tower offers a unique space for reflection, with books for sharing thoughts and concerns, providing a serene environment amidst nature.
Beyond typical natural features, you can find the House of Peace and Bat Tower. This site features a hollow tree trunk that serves as a bat tower and a 'House of Peace' for reflection, offering a blend of natural elements and thoughtful design.
The Source of the Forstinninger Sempt is an important headwater for the Sempt river system. It's an idyllic area with fish ponds and narrow paths, and it holds archaeological significance as a treasure from the Middle Bronze Age was discovered there. The Sempt itself is notable for being heavily fed by groundwater, keeping it cool in summer and preventing it from freezing in winter.
Yes, the Base Pyramid of the Bavarian Survey (Aufkirchen) is a historical monument that is also categorized as a natural monument. It was built in 1802 as a crucial milestone for surveying Bavaria, marking the end of a baseline. While man-made, its historical significance in relation to the landscape's measurement gives it a unique status.


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