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Germany
Schleswig-Holstein

Schleswig-Flensburg

Top 20 Lakes in Schleswig-Flensburg

Lakes in Schleswig-Flensburg offer diverse recreational opportunities and natural beauty in northern Germany. The region is characterized by its varied water bodies, including the fjord-like Schlei and numerous inland lakes. This area provides a mix of tranquil waters, nature reserves, and historical sites. Visitors can explore a landscape of green fields, charming villages, and extensive paths for outdoor activities.

Best lakes in Schleswig-Flensburg

  • The most popular lakes is Geltinger Birk Nature and Bird Sanctuary, a natural monument that offers magnificent views. This unique location by the sea is known for its diverse wildlife and scenic beauty.
  • Another must-see spot is Little Noor, an other natural feature within a nature reserve. This area is characterized by salt marshes, a steep coast, and the flow of Baltic Sea water, creating a unique habitat.
  • Visitors also love View of the Schlei near Lindaunis, a viewpoint offering perspectives of the Schlei, the longest fjord of the Baltic Sea. This spot provides impressive views, especially during dynamic weather conditions.
  • Schleswig-Flensburg is known for fjord-like inlets, natural bathing lakes, and historical water bodies. The region offers a variety of lakes to see and explore, from the extensive Schlei to smaller, tranquil lakes like Langsee and Roikiersee.
  • The lakes in Schleswig-Flensburg are appreciated by the komoot community, with over 3000 upvotes and more than 600 photos shared across 167 highlights.

Last updated: May 9, 2026

Geltinger Birk Nature Reserve

Highlight • Natural

A well-developed hiking and biking trail gives you the opportunity to always descend the Geltinger Birk along the coast. Most beautiful in the early morning or late evening hours!

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View of the Schlei near Lindaunis

Highlight • Viewpoint

The Schlei is the longest fjord (38 km) of the Baltic Sea

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Geltinger Birk Nature and Bird Sanctuary

Highlight • Natural Monument

A beautiful nature reserve in a unique location by the sea.

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View over the Schlei

Highlight • Viewpoint

The riverside promenade is a great place for relaxed cycling with fantastic views of the Schlei.

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Here you have to pass the Noor bridge between the Selker and Haddebyer Noor. A great place for a short rest. A very small section of the beach invites you to cool off your feet in the Noor water (depending on the season).

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Haddebyer Noor

Highlight • Lake

This small pond actually has a connection to the oceans via the Schlei, the Baltic Sea and the North Sea. And yet it presents itself here as a small, inconspicuous lake, surrounded by a lot of nature and endless reed fields.

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Geltinger Birk Nature Reserve

Highlight • Natural Monument

In my opinion, the Geltinger Birk nature reserve is quite unique. You can cycle from Falshöft to the Charlotte mill along the edge of the area. Benches and a viewing platform invite you to linger and observe. And if you're lucky, you'll see the Koniks!

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From here you have a view of the entire city. A short photo stop is worth it!

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Little Noor

Highlight • Natural

Please keep your dogs on a leash! Rare birds breed and rest everywhere in the nature reserve. We often don't see them, but they see us. Even if your four-legged friends are nice and certainly won't hurt anyone, they still scare birds. Please be considerate of our wonderful nature! Thank you!

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Holnis Beach

Highlight • Beach

Very nice beach. A nice place to relax.

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Tips from the Community

Immi
March 8, 2025, Haddebyer Noor

Schleswig's inland lake, ideal for hiking 🤙

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Immi
November 18, 2024, View of the Schlei

Beautiful path with a great view 🤙

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The view of the Schlei from here is beautiful 😊👍😊

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Indeed a beautiful view of the Schlei, but we had to move on quickly as there were a lot of cars driving along the Gottorfer Damm.

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The Schlei always offers cyclists new views.

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Nice view of the Schlei.

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carewer
February 19, 2024, View of the Schlei

Great view of Schleswig. Beautiful cityscape.

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Cycle path directly by the sea through the NSG.

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Frequently Asked Questions

What are the main types of lakes and water bodies in Schleswig-Flensburg?

The region features a diverse range of water bodies, including the fjord-like Schlei, which is an inlet of the Baltic Sea, and numerous inland lakes such as Langsee, Arenholzer See, Roikiersee, Holmarksee, and Sankelmarker See. These offer varied landscapes from tranquil waters to reed areas and hilly terrain.

What outdoor activities can I enjoy around the lakes in Schleswig-Flensburg?

You can enjoy a wide array of activities. The Schlei is excellent for water sports like kayaking, canoeing, stand-up paddling, and sailing. Hiking and cycling are popular throughout the region, with trails around Langsee and the extensive paths along the Schlei. Birdwatching is also a highlight, especially in nature reserves like Geltinger Birk Nature and Bird Sanctuary. For more detailed route information, explore the easy hikes, gravel biking, and road cycling routes available.

Are there family-friendly lakes or activities in the area?

Yes, many areas are suitable for families. The Geltinger Birk Nature and Bird Sanctuary is a great spot for families, offering easy hiking and biking trails and opportunities to see wild horses and Galloway cattle. Beaches like Holnis Beach and Habernis Beach on the Flensburg Fjord are also popular for family outings and swimming.

Where can I find scenic viewpoints of the lakes?

The region offers several impressive viewpoints. The View of the Schlei near Lindaunis provides excellent perspectives of the Schlei fjord, especially during dynamic weather. Other notable spots include the View over the Schlei and the View over the Flensburg Outer Fjord and Kalkgrund Lighthouse.

What kind of wildlife and nature can I expect to see?

The lakes and surrounding areas are rich in wildlife. In places like Geltinger Birk Nature Reserve, you can observe wild horses, Galloway cattle, and various sea and water birds, including the white-tailed eagle. Langsee is known for its reed areas and water lilies, while Little Noor features unique salt marshes and a distinct habitat influenced by Baltic Sea water.

Are there historical or cultural sites near the lakes?

Yes, the region has a rich history. The Schlei area, for instance, is home to Museum Island Gottorf Castle in Schleswig, which houses art, sculptures, and even a 1700-year-old Nydam boat. The old fishing district of Holm in Kappeln offers insights into traditional fishing and craftsmanship. Roikiersee also has historical significance, having been created by monks in the 13th century.

Can I go swimming in the lakes of Schleswig-Flensburg?

Yes, there are several opportunities for swimming. The Schlei offers secluded swimming bays and natural beaches. Holmarksee is specifically known as a natural bathing lake. Additionally, beaches like Holnis Beach and Kollund waterfront on the Flensburg Fjord provide access to the water for swimming.

What is the best time of year to visit the lakes?

While the region offers beauty year-round, the warmer months from spring to early autumn are ideal for water sports, hiking, and cycling. During these seasons, the weather is generally pleasant for outdoor activities and enjoying the natural beaches. However, places like the Schlei can be impressive even in stormy autumn or winter weather for those who enjoy dramatic landscapes.

Are there dog-friendly trails around the lakes?

Many trails in the region are dog-friendly, but it's crucial to keep dogs on a leash, especially in nature reserves. For example, around Little Noor, leashing dogs is requested to protect rare breeding and resting birds. Always check local signage for specific regulations.

Where can I find food and accommodation near the lakes?

Charming villages and towns along the Schlei, such as Kappeln, offer culinary delights like fresh fish from traditional smokehouses, as well as cafes and accommodation. Habernis Beach on the Flensburg Fjord also has restaurant and pub options nearby. You'll find various options for cafes, pubs, and accommodation in the settlements surrounding the major lakes.

What are some less crowded or 'hidden gem' lakes to explore?

While the Schlei is popular, smaller lakes like Arenholzer See, Roikiersee, Holmarksee, and Sankelmarker See may offer a more tranquil experience. These lakes are valued for their scenic beauty and provide opportunities for walking and enjoying nature away from larger crowds.

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Find the best lakes in Schleswig-Flensburg per region:

DollrottfeldMohrkirchSüderbrarupHavetoftNeuberendMaasbüllGroßenwieheSankelmarker LakeStangheckBöelSaustrupJagelLangseeGeltingAhnebyNiesgrauEsgrusMaasholmUlsnisGroßsoltGlücksburgHarrisleeHandewittKlappholzTolkWanderupLangstedtJörlBollingstedtSilberstedtGeltorfFahrdorfBorgwedelWohldeTetenhusenTielenKroppMittelangelnSchnarup-ThumbySollerupEggebekGrödersbyHürupSchubyLürschauWallsbüllSchafflundKronsgaardSüderfahrenstedtGroß RheideErfdeBusdorfRüggeUelsbyJardelundAlt BennebekSörupRabenkirchen-FaulückMoore Der Eider-Treene-Sorge-NiederungNaturpark SchleiBörmNübelPommerbyFreienwillLottorfRabelSteinbergkircheLangballigAusackerLindewittBrebelHusbySieverstedtMeynNatural Park Geltinger BirkHaddebyer NoorSelkDollerupHasselbergTarpKappelnMunkbrarupLoitKlein RheideSterupGrundhofTwedtNiebyEllingstedtMeggerdorfBorenScheggerottHörupSchleswigTaarstedtJübekBöklundGoltoftIdstedtWeesbySüderhackstedtArnisKlein BennebekHoltOersbergNorderbrarupTreiaStolkWeesJannebySchaalbyBergenhusenWesterholzWagersrottRingsbergStoltebüllBöxlundArenholzer LakeRabenholzTastrupMedelbyOeverseeJerrishoeStruxdorfDannewerkNordhackstedtNottfeldHüsby

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