Lakes around Humptrup, situated in northern Schleswig-Holstein, Germany, feature diverse natural landscapes. The region offers tranquil environments and opportunities for outdoor activities. A notable geographic feature is the Ruttebüller Lake (Rudbøl Sjø), where the national border between Germany and Denmark runs directly through the lake and an adjacent road for 130 meters. This area provides unique natural and historical points of interest for visitors.
Last updated: May 15, 2026
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Without a sign, you wouldn't notice that you're walking into another country... It's nice how easy this can be these days.
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Beautiful, free trekking spot of the "Wild Schleswig-Holstein" initiative... It is not for nothing that it is called "Mosquito Paradise"... there can be countless mosquitoes here... the spot is beautifully situated by a lake with seating area
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If you want to spend the night in this beautiful idyllic place, you should definitely bring a mosquito net with you 😉 Anti-mosquito spray was even available in the hut 👍
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the landscape is simply moving
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The former marl pit is now a beautiful leisure pool. A day ticket costs €3.00 and is well worth it.
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A very nice border crossing. We had very nice weather here. As you can see in the collage. Have fun on your tours!
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Old landmark in the street. DRP stands for German Reich Prussia
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This is a trekking site offered by the state forests in the "Wildes Schleswig-Holstein" project at the youth forest home in Süderlügum. The site is southwest of the JWH building, about 150 m away by a small pond. The site is open to the public. https://www.naturschutz-sh.de/wildes-sh/trekkingplatz-suederluegum
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The most notable feature is the Rosenkranz–Rudbøl Border Crossing at Ruttebüller Lake (Rudbøl Sjø). Here, the national border between Germany and Denmark runs directly through the middle of the lake and an adjacent road for 130 meters. This unusual border is marked by buoys on the lake and embedded markers on the road, offering a unique geographical experience. The area also features the Schwarzberger Moor Nature Reserve, a small raised bog area with water bodies amidst an inland dune landscape.
Yes, several lakes are well-suited for families. The Ladelund Natural Swimming Pool offers diving platforms, a waterslide, a large sunbathing area, and a separate pool with a slide for children. Another great option is the Hülltofter Tief Bathing Area, which features a small beach, a swimming island, and toilet facilities, accessible via a hiking trail from the Nolde Museum.
The region offers various outdoor activities, particularly cycling and hiking. You can explore numerous routes, such as those found in the Cycling around Humptrup guide, which includes scenic paths like the 'Castle Street, Møgeltønder – View of the North Sea loop'. For hikers, the Easy hikes around Humptrup guide provides options like the 'Bird Observation Point loop' and trails through the 'Inland dunes near Süderlügum'.
Yes, there are several hiking trails. For instance, you can find easy hikes around the region, including routes like the 'Bird Observation Point loop' or trails exploring the 'Inland dunes near Süderlügum'. These are detailed in the Easy hikes around Humptrup guide.
The natural swimming pools, like Ladelund Natural Swimming Pool, are typically open from June to August, making summer ideal for swimming and sunbathing. The unique border crossing at Ruttebüller Lake can be visited year-round, but warmer months are generally more pleasant for exploring the surrounding natural landscapes and enjoying outdoor activities like cycling and hiking.
At the Ladelund Natural Swimming Pool, you'll find diving platforms (1, 3, and 5 meters), a waterslide, a large sunbathing area, a beach volleyball court, a kiosk, and sanitary facilities. There's also a separate pool with a slide and island for children. The Hülltofter Tief Bathing Area offers a small beach, a swimming island, and toilet facilities.
Yes, the Trekking site Süderlügum offers an overnight hut based on the Scandinavian model, complete with a large pond and raft. It's a publicly accessible site provided by the state forests, ideal for those looking for a rustic overnight experience.
Yes, the Rosenkranz–Rudbøl Border Crossing at Ruttebüller Lake offers a great view over the cross-border water, with benches available to enjoy the scenery. The Schwarzberger Moor Nature Reserve also has a refuge at its edge, providing a vantage point to observe the reserve.
Visitors particularly appreciate the unique geographical feature of the Rosenkranz–Rudbøl Border Crossing, describing it as one of the most beautiful and unusual border crossings. The natural swimming pools, like Ladelund Natural Swimming Pool, are also highly rated for their excellent water quality, family-friendly amenities, and idyllic settings. The overall appeal is highlighted by over 130 photos and more than 320 upvotes from the komoot community.
While specific public transport routes directly to each lake are not detailed, the region around Humptrup generally offers natural landscapes suitable for exploration. It is advisable to check local transport schedules for connections to nearby towns or consider cycling routes, as the area is known for scenic bike tours.
Yes, there are various running trails in the vicinity. The Running Trails around Humptrup guide features several options, including a 'Running loop from Humptrup' and routes through the 'Inland dunes near Süderlügum', offering diverse distances and difficulty levels.
While the Ladelund Natural Swimming Pool and Hülltofter Tief Bathing Area are designated public bathing areas with facilities and supervision during opening hours, wild swimming in other natural lakes may be subject to local regulations. It's always best to check local signage or official guidelines before entering undesignated swimming spots.


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