Lakes in Tønder, located in Southern Denmark, offer a diverse natural landscape characterized by its marshlands and various water bodies. The municipality features both traditional lakes and significant wetland areas, providing opportunities for outdoor activities. This region is known for its unique border areas and coastal environments, including proximity to the Wadden Sea. The varied aquatic destinations attract visitors interested in nature observation, fishing, and water-based recreation.
Last updated: May 15, 2026
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Popular around Tønder
Border Route — in 3 days from the North Sea to the Baltic Sea
West Coast Route – National Cycle Network Route 1
Radfernwege im Grünen Binnenland in Schleswig-Holstein
Radfernwege im Binnenland Schleswig-Holstein
Cycling in Tønder
Hiking in Tønder
MTB Trails in Tønder
Running Trails in Tønder
Road Cycling Routes in Tønder
Gravel biking in Tønder
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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Dream scenery from Königshafen to Lister Hafen on the best asphalt. On the way to Lister Hafen, at the end of the dike, there is about 200m of sandy gravel, but it is relatively easy to manage with a road bike. Now also more frequented here during the day in high season.
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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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With a wide view of List
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When the province of Schleswig-Holstein was divided between Denmark and Germany after the Schleswig referendum in 1920, the new border ran through Rudbøl, dividing the town into Danish and German parts. In Rudbøl is boundary stone no. 245. This is in the middle of the road that leads from Germany to Denmark. To the west of the road is the Danish side of the border, to the east is the German side. Rudbøl originally had three inns, two of which are still in use. The Grænsekro inn has existed in the village since 1711, which has bought a few houses and rents them out as holiday apartments. There is a campsite next to the inn. There is also a youth hostel in Rudbøl. On today's German side there is the former Rosenkranz Kro, which is now called Alter Deutscher Grenzkrug and is located in the Rosenkranz district of the municipality of Aventoft.
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Uthörn is 780 meters long, up to 240 meters wide and covers an area of 13 hectares. The island is relatively young and has developed from a sandbank. Due to sand being washed up from the Sylt coastal dunes, Uthörn has now grown to a height of a good 4.10 meters above sea level and is no longer flooded at high tide. It is believed that the island will continue to grow in the future. So far, Uthörn has only been overgrown with pioneer plants typical of the North Sea coast, such as beach grass.
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For nature observation and birdwatching, Gudskog Sø is an excellent choice. This significant wetland ecosystem, a former polder, is a vital habitat for diverse wildlife, including cranes, herring gulls, otters, and the rare white-tailed eagle. You can also observe birds nesting on Uthörn Island, which offers beautiful views over the Wadden Sea.
Yes, Tønder offers several great fishing spots. Arrild Fiskesø is a popular 'Put & Take' destination with two large lakes stocked with various trout species, including a dedicated children's lake. Another option is Rømø Fishing Lake on the island of Rømø, where you can combine fishing with visits to the island's famous wide beaches.
Hviddal Lake is a beautiful forest lake with a small sandy beach, perfect for families looking for a spot to swim or relax. Arrild Fiskesø also caters to families with a dedicated children's lake where fish are smaller and easier to catch, ideal for young anglers aged 2-12. Additionally, the View of the Wadden Sea near Ellenbogen, Sylt is a family-friendly viewpoint with a scenic bike path.
The Rosenkranz–Rudbøl Border Crossing offers a unique historical experience. Here, the border between Germany and Denmark runs through the middle of the road and directly through Rudbøl Lake, providing an unusual cross-border view and historical context.
The Tønder region offers a variety of outdoor activities. You can explore hiking trails around Hasberg Lake, which is part of the scenic Marskstien. For cycling, there are routes like the 'Kommandøren Og Kaskelotten – Panoramarute 402' and 'Den Kongelige Marskrute – Panoramarute 401'. You can find more details on these and other routes in the Cycling in Tønder guide. For running, consider trails like the 'Møgeltønder Trail' or routes on Rømø, detailed in the Running Trails in Tønder guide. Canoeing and kayaking are popular on rivers like Brede Å, which flows through diverse landscapes.
Arrild Fiskesø provides wheelchair-accessible toilets, making it more inclusive for visitors. While specific accessible paths around other lakes are not detailed, many areas in the flat marshland environment, such as sections of the Marskstien near Hasberg Lake, may offer easier terrain for walking.
The best time to visit the lakes in Tønder largely depends on your interests. Spring and autumn are ideal for birdwatching at wetlands like Gudskog Sø due to migratory patterns. Summer offers pleasant weather for swimming at Hviddal Lake and enjoying general outdoor activities. The region's marshland environment can be enjoyed year-round, with each season offering a different perspective on the landscape.
Hviddal Lake is known for having a small sandy beach and is a popular spot for swimming. While other lakes and water bodies in the region offer scenic beauty, specific designated wild swimming spots are not widely advertised. Always exercise caution and check local regulations before swimming in undesignated areas.
Yes, the rivers in the Tønder Municipality, such as Brede Å, are well-suited for canoeing and kayaking. This allows visitors to experience the diverse landscape from the water, with primitive campsites available along the river for extended trips.
The Tønder region, particularly its wetland areas, is rich in wildlife. At Gudskog Sø, you can spot cranes, herring gulls, otters, and even the rare white-tailed eagle. The Vidåen river, flowing through the marshland, is also part of a unique ecosystem where various bird species and other marshland animals can be observed.
Hviddal Lake is listed as dog-friendly, making it a good option for visitors with pets. When visiting other natural areas, it's generally advisable to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all visitors.
Accommodation options are available throughout the Tønder Municipality. Near Arrild Fiskesø, you can find camping barrels and traditional camping options. The towns and villages surrounding the various lakes and rivers, such as Tønder, Højer, and those on Rømø, offer a range of hotels, guesthouses, and holiday rentals.


Still not found your perfect lake in Tønder? Check out the guides of these regions to see even more beautiful places.