min Temp.: 10,5 °C max Temp.: 10,5 °C Fr 23.10.2026 Temp.: 9,2 °C
min Temp.: 7,3 °C max Temp.: 11,0 °C Sa 24.10.2026 Temp.: 6,3 °C
Holiday homes & apartments on the Diemelsee
Ideal for water rats and nature lovers in the warm half of the year!
The Diemelsee and the named Municipality of Diemelsee lie at about 10-15 km from Willingen. The Diemelsee is the smallest but most natural reservoir of the Sauerland. He is also the naming agent of the "Diemelsee Nature Park"Whichever Willingen belongs to.
Here you can enjoy a wonderful holiday in the warm half of the year in the beautiful nature and find peace and relaxation. At the lake there are plenty of beautiful and (partly) slightly rolling free beach baths (+ dog beach), boat rental and tour boats. Besides enjoying the water you can also enjoy hiking and cycling.
The main village on the Diemelsee is Heringhausen with a visitor center, AdventureGolf and indoor recreational pool with sauna. In the OT-Vasbeck there is a outdoor pool with sauna. The largest city in the municipality of Diemelsee is Adorf with its Visitor mine and all the shops for daily shopping.
Holiday homes at the Diemelsee click HERE
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...not just for water rats!
Around the Diemelsee there are numerous summer attractions: the new SeePromenade Heringhausen, tour boat MS Muffert; natural history trail on life on the lake; playgrounds; rental of canoes, electric boats and pedalos. There is also a beautiful, largely unpaved lake-walking trail as partial passage (4.5km) in combination with the ship (ferbal walk). Canoeing on the Diemel promises an adventure. In Heringhausen there is "Visionarium" as well as the beautifully situated "Golf Park"with "Diemelseehütte" and a beautiful view of the lake. "Ferry house" is located on the Westphalian coast near Helminghäuser Strand - one of the most popular motorcyclists' meetings in the Sauerland, where several hundred bikes can be admired on sunny weekends. The region is a true motor paradise. The culturally rich baroque city of Bad Arolsen with its imposing palace is only 20 km away from the Diemelsee. If you stay longer on the Diemelsee, a day trip to the Mountain park castle Wilhelmshöhe in Kassel at 65km distance with its famous water parties (UNESCO World Heritage Site) worth it.
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Tourism magnet Willingen - directly next to it
Willingen, a magnet for tourism - next door It benefit of the Diemelsee vis-à-vis other Sauerlands is the proximity of Willingen (only 10-15 km). The nature-loving Diemelsee holidaymaker has the perfect tourist infrastructure of a "holiday metropolis." In Willingen there is the Ettelsbergseilbahn, Germany's largest high-heather, lagoon adventure pool, ice rink, top ski resort, the world's largest ski slope, mountain bike downhillpark and a Willingen Recreational World, which in its compact variety is probably unique among German resorts: Klimhal, 3D mini golf hall, glass factory, summer toboggan run, MilchMUHseum, Curiosum, game & amusement park, indoor skelter track, an atmospheric shopping street, plenty of party and adventure horeca and much more. No other of Sauerland offers such an extensive tourist infrastructure in the immediate vicinity. More Willings information HERE
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Bad Arolsen - near neighboring city
Bad Arolsen, which is worth it, is the nearest shopping town for the Diemelsee community. The baroque castle is the centre and landmark of the baroque residence. The castle and the city were built between 1713 and 1810 by Prince Friedrich Anton Ulrich zu Waldeck and Pyrmont. In 1858 was Queen Emma of the Netherlands Born in Arolsen Palace, the palace attracts guests from the Netherlands. The Residentie town of Bad Arolsen has two Promenade strates in the Schlossstrasse and the Große Allee. There are also the kurpark and Palace park and the recreation pool Arobella. On the edge lies the Lake Twiste with the most beautiful sandy beach of Waldecker Land, a 9-hole golf course and water ski course. HERE
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Diemelsee Nature Park
“The highest mountains of the Sauerland, wide valleys, deep forests alternated with meadows and fields determine the image of the nature park Diemelsee. Beautifully coloured deciduous and mixed forests, but also dark spruce forests, between fields and meadows, colorful flower meadows, crystal clear streams, heath-colored high heathlands and in the middle of them the Diemelsee.Such a picturesque landscape awaits visitors to the nature park Diemelsee. Fortunately, the countryside was spared large-scale projects, industrial installations, traffic paths and city castles. Here you can still enjoy the unspoilt nature in any season. The nature park Diemelsee includes the municipalities Willingen, Diemelsee and parts of Brilon, Korbach and Marsberg. The natural highlight is probably Germany's largest high heath, Ettelsberg/Neuer Hagen. In het "Haus der Natur" leggen Rangers expert the ecological relationships in the nature park landscape. Historic city centres in Brilon, Korbach and Marsberg have many romantic corners. Visitors' mines in Adorf, Willingen and Marsberg explain the former underground work. An extensive network of well-marked walking & cycling paths invites you to make beautiful trips through the beautiful nature - and on warm days the numerous natural sounds bathing beaches on the DiemelseeThe nature park Diemelsee promises a relaxing holiday full of discoveries in the beautiful nature. Tourist offices in Diemelsee and Willingen take care of a guided tour of the Diemelsee Nature Park by a qualified nature and landscape guide. More information about the Diemelsee Natural Park HERE
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Diemelsee - a natural recreational lake
The Diemelsee is the smallest and most natural of the Sauerlandse reservoirs, but has its qualities, because on hot summer days it is varied but more contemplative than on the often overcrowded Möhne or Edersee. At Diemelsee you will experience a pleasant and stress-free summer day.
It starts with the parking lot, because there are enough free parking on the Diemelsee, especially near the Helminghausen Lido and the camping Hohes Rad on the Diemelsee bridge.
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Diemelsee - dam
Diemelsee - dam wall The Diemel dam is one of the oldest reservoirs in Germany. Construction began in the years 1912 to 1914. However, it was only completed after the First World War 1923-24.
The dam is a curved heavy wall of 42m high, a crown length 194m and a crown width 7m. The reservoir volume of the lake is about 21.75 million m3. The coast length is about 16km. There is a combined bike/hiking trail around the lake.
Together with his big sister - the Edersee - the Diemeldam serves to regulate the water level of the Weser. The state border between Hesse and North Rhine-Westphalia runs through the Diemelsee. The special feature of the Diemelsee is the V-shaped, whose arms consist of the tributaries Diemel and Itter. Both arise high in the highlands between Willingen and Usseln. Only shortly before the dam the poor come together.
Together with her big sister, the Diemel Valley Dam serves to regulate the water level of the Weser. The border between Hesse and North Rhine-Westphalia runs through Lake Diemelsee. The special feature of the Diemelsee is its V-Förmigkeit, whose arms consist of the tributaries Diemel and Itter. Both originate high in the upland between Willingen and Usseln. Only shortly before the dam the arms converge.
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Lido van Heringhausen
It's the main beach at the Diemelsee on the newly designed promenade along the lake in Heringhausen.
There are water pontoons, slides, playground, sunbathing area, beach volleyball, restaurants, boat rental and DLRG. The passenger pier also borders the lido and boat rental. Parking and the beach are free of charge. It is just a few meters to the town.
Lido van Helmeringhausen
The 200 meter long and free lido on the north bank is closest to WillingenJust drive through the beautiful Ittertal and you are there. It is about 8 minutes by car and there is also plenty of free parking.
This beach is not so suitable for small children and non-swimmers, as it is relatively steep in the water. The beach is also quite narrow. There is a water pontoon, swimming pier, playground, sunbathing area, kiosk, toilet and DLRG. The famous "Fährhaus," the jetty and boat rental are about 700 meters away.
There is also a separate dog beach at this lido, where your dog can dart and bathe without belt. In several places are dog toilets with the request to use them, thanks!
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Lido Seebrücke & Hohes Rad
The largest and most beautiful beaches on the Diemelsee The three-part beach is located on the other side of the lake from Heringhausen, can be reached via the Diemel Bridge - or from Willingen by the road Schwalefeld-Rattlar-Ortlar. "Seebrücke" and "Hohes Rad" are two campsites on the western shore. 300 meter long beach "Seebrücke", which was redesigned in 2019 with a sunbathing area and a sandy beach, starts at Diemelbrug. There are toilets, showers, a kiosk, a playground and beach volleyball. This relatively gentle sloping beach area is best suited for small children and non-swimmers. A restaurant is located right behind the beach at the campsite. Young people chill in cocktail bar "Bar de Strand" with a Caribbean flair at the Diemelsee bridge, from which brave young people like to jump into the lake. 200m long grassy beach "Hohes Rad" is separated from the beach area Seebrücke by a small bay and the sailing boat port. Hohes Rad beach has no direct supply. WC and catering are located at camping Hohes Rad, about 200 meters away. But it is relaxed here. A third of the beach is about 200m long. dog beach "Hohes Rad", where your dog can dart and bath without being on a leash. Half of them consist of meadow and the other half of a natural part, which consists of protected niches. This area is also (unofficially) used by nudists.shows more
Swim paradise at Diemelsee
( MeineCard+ Partners) In Heringhausen, right on the Diemelsee, is the "small but fine" swimming paradise with indoor and practice pool, outdoor pool and sunbathing in summer. There is also a children's pool and a small sauna. Accents such as floor jets, water cave, massage beams, showers, whirlpool and barefoot bar complete the pool.
Hallenbad im Haus des Gastes
Kirchstraße 6
34519 Diemelsee-Heringhausen
Tel. (0 56 33) 9 11 35 Homepage
Diemelsee-Vasbeck outdoor pool with sauna
Cozy and clear outdoor swimming pool with village charm, which you won't often find again. Dimensions swimming pool 15 x 25 m; Water temperature approx. 24-27°C. There is a slide and a diving board; Baby bath with a water temperature of 30°C; Sunbathing area; covered seating; table tennis; rooms for disabled people.
Sauna: The new sauna is open on Monday, Wednesday and Saturday from 5 pm and by appointment.
Opening hours (from 2019) Open from May to the end of September - depending on the weather Saturday and Sunday: 11.00 to 19.00 hours Monday to Friday: 14.00 to 19.00 hours During the Westphalian and Hessian summer holidays also Monday to Friday from 11.00 hours. In bad weather the bath is closed. Am Freibad 13 34519 Diemelsee-Vasbeck Tel 02993-1282 www.freibbad-vasbeck.deshows more
Visionarium Diemelsee
"Seeing nature interactively, touching and experiencing" (My Card+ Partner) Moved bilingual exhibition (D + NL) with many hands-on stations such as touching or moving all kinds of information about the Diemelsee, dam, habitats and landscapes in the Diemelsee Nature Park. Visionarium (in het VVV-kantoor) Kirchstr. 6, 34519 Diemelsee-Heringhausen Tel.: +49 56 33 91 133 Homepage Visionarium Opening hours: Monday - Friday 9.00 - 19.00 hours, Saturday - Sunday 10.00 - 18.00 hours
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Maize maze in Diemelsee-Ottlar
(My Card+ Partner) The natural pleasure in Upland for the whole family!
From the beginning of July you don't have to lose sight of the big picture in our corn labyrinth at about 15,000 m2. With great difficulty and by hand we have mowed a clever network of wrong paths in our corn field, which leads you back and forth through the corn. And so that the little ones can surely find the right path, they can be in the "dwerglabyrint" (approx. 400 m2) to obtain the maize .river's license and then to guide their parents and grandparents through the great labyrinth.
And don't worry if you get lost - we'll save you!
Opening hours: 6 July to mid-October corn chopping, Di - Thu + Sun: 11.00 - 18.00 hours, Fri + Sat: 11.00 - 19.00 hours Mon: 11.00 - 18.00 hours (July + August)
Ottonenhof-Maislabyrinth
to Upland 8
34519 Diemelsee - Ottlar
Tel. +49 5633 991666
Email: info(at)ottonenhof.de
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Diemelsee Golf Park
(My Card+ Partner) The absolutely unique form of mini golf; 13 highlights of the "Diemelsteig" are rebuilt as golf courses. A panorama of the lake and delicious tarte flambée awaits you on the terrace of the adjacent Diemelseehütte.
Open from April to October (not daily in pre- and post-season, so please call)
Golfpark & Diemelseehütte Siekesweg 1 34519 Diemelsee-Heringhausen Tel. +49 (0)5633 2699965 info(at)golfpark-diemelsee.de www.golfpark-diemelsee.deshows more
Diemelsee Donuts & Boat Rental
The extraordinary pleasure for family and group trips - but also for parties. In the middle of the Diemel donuts there is a table model. In this can be used a charcoal grill or a flat table element. Practical storage space is under the benches. The grill package, which can be booked separately, includes the required number of plates, cutlery, a prepared grill, grill cutlery and ice packs - and on request a Bluetooth speaker. There are doughnuts for 8 or 10 people. Life jackets are available for children. The boat is easy to drive with an electric outboard motor - so a participant becomes a captain.Diemel donuts Season: Mei tot mid september Pier at the ferry house Am See 20
34431 Marsberg-Helminghausen Tel. +49 171 - 5463541 Email: info(at)diemel-duonuts.de www.diemel-donuts.de In addition to the scaffolding can also electric boats, rowing boats and professional Fishing boats For rental see the following passenger shipping.
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Diemelsteig
One treat for walkers is the 63km long quality hiking trail "Diemelsteig" with a route through the Diemelsee nature park with a top view point Dommelturm between Diemelsee and Willingen and the cities Ottlar and Rattlar on the 738 meters high Dommelberg.
“The highest mountains of the Sauerland, wide valleys, deep forests alternated with meadows and fields determine the image of the nature park Diemelsee. Beautifully coloured deciduous and mixed forests, as well as dark spruce forests, between fields and meadows, colorful flower meadows, crystal clear streams, heath-colored high heathlands and in the middle of them the DiemelseeOh, yeah. That's how you summarize the hiking experience of Diemelsteig.
For more information: Diemelsteig
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Dome Tower
The top viewing point on the Diemelsee.
The Dommel Tower lies between Diemelsee and Willingen and the cities of Ottlar and Rattlar on the 738m high Dommelberg. The lookout platform at 756m is after the Ettelsberg the second highest in North Hesse. Here you not only have a Impressive view all around over the nature park Diemelsee, but also one spectacular views in the distance: the Arnsberg Forest, the Teutoburg Forest, Eggebirge, Solling, Hoher Meissner, Kellerwald, Thüringer Forest, Rhön and Vogelsberg can be seen in clear weather.
Adorf Visitor Mine
(My Card+ Partner) The ore mining industry In Adorf the mine is a visitor mine. In the 1200 meter long tunnel tour the life of the miners is imitated by figures in their various activities. national geopark Grenzwelten.
The interactive information centre for iron ore mining The visitor mine has been new since 2015. Here the history, mining and iron ore formation, as well as the hard work of underground miners, is transferred in a modern, vibrant and exciting way using many practical stations. Former buddies guide you through the tunnel and tell you impressively about life and working underground, including many anecdotes...
Opening hours: April to the end of October every Wednesday and Saturday from 13 to 17 hours; on Sundays and public holidays from 10 to 17 hours The last tour is always at 4 p.m. Visitor mine Grube ChristianeBredelarer Strasse 30
34519 Diemelsee - Adorf +49 56 33 59 55 or +49 56 33 9 11 33 by e-mail to the tourist info Diemelsee info@diemelsee.de Homepage
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Diemelsee - Adorf
Adorf is the most important town in the municipality of Diemelsee and is located 5 km from the lake in the direction of Bad Arolsen.
Adorf is a historically grown village with all shops for daily groceries; Grocery, discounter, various bakeries, beverage market, butcher, pharmacy and various specialty stores (electronics).
In the Middle Ages Adorf was a market with a mining tradition and history. In the center of the village stood a water castle which was converted into a farmhouse at the beginning of the 19th century.
Monastery of Flechtdorf
The church and monastery building of the former Benedictine abbey from the 12th century is a unique architectural monument that received the Hessian Monument Protection Award in 2015!
34519 Diemelsee-OT Flechtdorf
Fishing around the Diemelsee
The Diemelsee - one of the most beautiful and natural lakes in Hesse, offers everything that desires the heart of a fisherman.
Apart from the nature reserve, the coastal beaches are freely accessible. Extensive measures to expand fish offer good fishing opportunities. Predatory fishing is particularly popular and is practically possible on all shores. The use of an electric motor and depth meter is allowed, ice fishing is possible with the right ice thickness. The colder months offer the best times for dragging predatory fish. Sports fishermen on coarse fish are also abundant.
At the bottom of the page sports fishermen find two videos about perch and predatory fish on the Diemelsee
Information for fishermen
Boat rental: Boat rentals Stefan Koch, Am See 8, 34431 Marsberg-Helminghausen, telephone: 02991 - 64 41 Homepage Fishing needs: Fish Paradise Diemelsee in Helminghausen to the foothills of Diemelsee Günter Giesler, Padberger Str. 19, 34431 Marsberg-Helminghausen, Tel: (02991) 908309 oder 2149976 Fishing paradise on Facebook Fishing conditions on the Diemelsee- Only hand fishing is allowed, no other gear.
- Trolls from the boat are allowed outside the closed season.
- A sink for bait fish is allowed.
- Fishing with bait fish/animals and the retention of fish is prohibited.
- Mainland nets are permitted according to the requirements of the Hessian Fisheries Act.
- Bank zones marked by appropriate signs shall not be allowed to enter.
- In the protected area on the Itter-inham, sport fishing is prohibited, as are bridges, docks, bathing pools in the bathing season, bathing platforms and other constructions, as well as in side streams.
- Fishing can be temporarily blocked if the water level drops sharply. Free camping, open fire and storage are not allowed on Diemelsee and the entire region.
- Sport fishermen are obliged to carry waste bags and carry their own waste and dispose of them properly.
- The minimum size of the artificial spin bait used (spoons, wobblers, etc.) must be at least 8cm. May only be fished with worms and herd fisheries.
- Fishing time: June to September 05:00 until 12:00 and October to May 06:00 until 24:00 night fishing is prohibited.
Flag salmon 01.03.-15.05.30 cm
Beek trout 15.10.-31.03. 50 cm
Pike 01.02.-31.05. 50 cm (limit of the daily catch to 3 fish)
Rainbow trout 15.10.-31.03. 50 cm Red feather 15.03.-31.05.20 cm
Seat 01.05.-30.06. 25 cm
Meer trout 15.10.-31.03. 50 cm (limit of daily catch to 3 fish)
Pikefish 15.03.-31.05. 45 cm (limit of daily catch up to 3 fish) There are no catch limits: brassem, head fore, wild, prickly, perch, façade, brassem, kemphan, hazel, carp, fore, bleak and catfish. Prices:
- 3-day ticket: 10€ issuing offices below...
- Yearkart: 80€ (available only at Hesse-Forst, Warburger Weg 28, 34474 Diemelstadt, Tel.: 05694 / 99 16 30, Fax: 05694 / 99 16 340)
Haus des Gastes - Tourist-Info, Kirchstr. 6, 34519 Diemelsee-Heringhausen, Tel.: 05633 - 9 11 33 Campsite Gold Width, Kirchstr. 10, 34519 Diemelsee-Heringhausen, Tel.: 05633 - 5529 and 1341 Seehof, Knust/Gerling, Kotthausen, 34431 Marsberg-Helmighausen, telephone: 02963 - 327 Sea tours & boat rentals Stefan Koch, Am See 8, 34431 Marsberg-Helminghausen, Tel.: 02991 - 6441 Fishing shop Bad Arolsen, Bahnhofstr. 67, 34454 Bad Arolsen, telephone: 05691 - 5 07 20 Fishing paradise Diemelsee, Padberger Str. 19, 34431 Marsberg-Helmighausen, Tel: 02991 - 21 49 976 Fishing centre Kassel, Hafenstr. 6, 34125 Kassel, telephone: 0561 - 57 21 78 Buy Diemelsee fishing permits online HERE
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Diemelsee card for fishermen
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Webcams: Diemelsee & Willingen
all 14 Diemelsee & Willingen Webcams and many other Sauerland webcams click HERE
Webcam: Diemelsee
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Webcam: Willingen Ettelsberg-Panorama
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Panorama from the Hochheide Tower Willingen - 875m
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Meteomedia Weather Station Willingen (595m)
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