Attractions and places to see around Groß Rönnau, a municipality in Schleswig-Holstein, North Germany, offer a blend of historical and natural features. The area is characterized by its location near the Großer Segeberger See and the gypsum mountain Kalkberg. Visitors can explore local landmarks and natural landscapes, with further points of interest easily accessible in the surrounding district of Segeberg. The region provides opportunities for various outdoor activities, including cycling and hiking.
Last updated: October 9, 2026
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The further you get from Bad Segeberg, the quieter and more secluded the path becomes – at least in winter. After rain or during thaws, it can sometimes be very muddy.
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On hot days, the shady paths are a welcome change 😉...
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The Ihlsee is located in the northwestern part of the town of Bad Segeberg, on the northern edge of the Kleinniendorf district, and is part of the designated Ihlsee and Ihlwald nature reserve. The formation of the lake has not been fully investigated. Either the depression formed after the Ice Age due to dead ice, or it originated as a sinkhole through the collapse of a cave in the Segeberg salt dome. Today, the lake has an area of approximately 29 hectares and extends 450 m in a north-south direction and approximately 850 m in a west-east direction; the shoreline length is 2.25 km. Along with the Bültsee and the Garrensee, the lake is one of the few nutrient-poor lakes in Schleswig-Holstein. The lake lies in a depression and has no inflow. It is fed only by groundwater and inflowing surface water (precipitation). North of the bathing area is the outflow, which connects the lake with the Großer Segeberger See. The lake can be circumnavigated, but there is no path directly along the shore. On the eastern shore, there is a bathing area that has existed for decades; the bathing water quality is regularly monitored and has been rated very good to good in recent years. A residential area is located on the northern shore. On the western and southern sides, the Ihlwald, a swamp forest, determines the shoreline strip. From 1911 to 1961, there was a train station at the Ihlsee for the Kiel–Segeberg narrow-gauge railway, the tracks of which were removed as early as 1962. The Ihlsee was designated a nature reserve in 1950 due to its special characteristics. The lake is a particularly nutrient-poor body of water, which results in a rare flora. Today, the lake is part of the Ihlsee and Ihlwald nature reserve and, since 2006, part of the Natura 2000 protected area network. https://de.wikipedia.org/wiki/Ihlsee
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Beautiful hiking trail around the lake.
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Tip: The evening Karl May events end with fireworks.
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Tip: The 91 m high limestone mountain is not made of lime (calcium carbonate) but of gypsum (calcium sulphate).
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The region offers several beautiful natural spots. You can visit the West Shore of Great Segeberg Lake, known for its scenic beauty and comfortable benches. The Lakeside promenade at the Great Segeberg Lake provides expansive views, and the Trail along the north shore of Großer Segeberger See offers shady paths with lake views. Additionally, the Kalkberg in Bad Segeberg is a unique gypsum mountain offering fantastic views.
Yes, Groß Rönnau is home to a significant archaeological site: the Megalithic Tomb (Großsteingrab Groß Rönnau). This Neolithic grave complex, located east of the municipality, features surviving elements like end stones and a large capstone, offering a glimpse into ancient history. While not a komoot highlight, it's a notable local landmark.
The area is excellent for cycling. The Old railway bridge over the Trave River at Groß Rönnau is part of the Mönchsweg route, offering a scenic and easy-to-ride section with views of the Trave. For more routes, you can explore various cycling tours, including gravel biking options, around the region. Find detailed routes at Cycling around Groß Rönnau or Gravel biking around Groß Rönnau.
Absolutely. The West Shore of Great Segeberg Lake is noted as family-friendly, with comfortable benches perfect for lingering. The Kalkberg in Bad Segeberg is also considered family-friendly, offering views and nearby attractions like the Kalkberg Caves and bat exhibition. The section of the Mönchsweg over the Old railway bridge over the Trave River is suitable for families cycling together.
For panoramic vistas, head to the Kalkberg in Bad Segeberg, which provides extensive views of Bad Segeberg and the surrounding area on clear days. The Lakeside promenade at the Great Segeberg Lake and the Trail along the north shore of Großer Segeberger See also offer beautiful lake views. From the Old railway bridge over the Trave River, you can enjoy picturesque views of the river itself.
Yes, the region is popular for walking and hiking. The Trail along the north shore of Großer Segeberger See offers a pleasant walk under shady trees with lake views. The Mönchsweg, which crosses the Old railway bridge over the Trave River, is also suitable for hiking. You can find more detailed hiking and running routes around Groß Rönnau at Running Trails around Groß Rönnau.
Visitors frequently praise the beautiful lake views, especially from the West Shore of Great Segeberg Lake and its comfortable, rotating benches. The Kalkberg is appreciated for its fantastic views on clear days and its unique geological nature. The scenic bike path over the Old railway bridge over the Trave River is also a community favorite for its pleasant route and river views.
Yes, the natural landscapes around Groß Rönnau and the Great Segeberg Lake provide excellent opportunities for running. There are various trails that offer a mix of lake and forest scenery. You can explore several running routes, including loops around the lake, by visiting the dedicated guide: Running Trails around Groß Rönnau.
The Lakeside promenade at the Great Segeberg Lake is noted as being wheelchair accessible, offering a pleasant experience with wide views over the lake for visitors with mobility needs.
The Old railway bridge over the Trave River at Groß Rönnau is a historical structure that is now part of the Mönchsweg, a popular route for cycling and hiking. It follows the old railway line of the former Kiel-Segeberg small railway. From the bridge, you can enjoy beautiful views of the Trave River, and the section is suitable for an easy ride or walk.
The Kalkberg in Bad Segeberg is a unique gypsum mountain, a natural monument that offers fantastic views of Bad Segeberg and the surrounding area on clear days. It's also known for the nearby Kalkberg Caves and the Noctaris bat exhibition, making it a point of interest for nature and history enthusiasts alike.
Yes, the Great Segeberg Lake offers several spots for relaxation. The West Shore of Great Segeberg Lake has comfortable benches that invite you to linger and enjoy the beautiful lake. The Lakeside promenade also provides a serene setting to sit, relax, and take in the ever-changing views of the lake.
The trails around Groß Rönnau offer varied terrain. For instance, the section of the Mönchsweg over the Old railway bridge over the Trave River is generally easy to drive or walk. Trails along the north shore of Großer Segeberger See lead through shady trees, offering a mix of lake and forest landscapes. Some paths, especially on older railway embankments, might become a little more uneven further out from Segeberg towards Blunk.
The region around Groß Rönnau is generally pleasant for outdoor activities from spring through autumn. During these seasons, the weather is typically mild, making it ideal for cycling, hiking, and enjoying the lake views. Clear days are best for panoramic views from the Kalkberg. While specific seasonal attractions aren't highlighted, the natural beauty is accessible for most of the year.


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