Diemelsee & Nature Park Diemelsee FewoZentrale Willingen

Diemelsee & Nature Park Diemelsee

Swimming, boating, strolling, hiking, fishing - all information compact on one side. Diemelsee offers a variety of holiday and leisure opportunities in beautiful landscape.

The Diemelsee is the smallest but most natural of the Sauerländer reservoirs, embedded in the attractive landscape of the Nature Park DiemelseeThe lake and the homonymous municipality offer a relaxing flair in beautiful nature with numerous leisure facilities and beach baths - but also with anglers the lake is very popular.

Here you will find all important information and Videos around the Diemelsee.

Diemelsee Do 22.10.2026 Temp.: 10,5 °C

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

min Temp.: 4,0 °C max Temp.: 8,7 °C © openweathermap.org

Strandbad Hohes Rad am Diemelsee with playground ↗

Nature Park Diemelsee ↗

Heringhausen am Diemelsee ↗

Holiday home & holiday apartment at Diemelsee

Ideal for water rats and nature lovers in the warm half of the year !

The Diemelsee and the eponymous Municipality of Diemelsee are about 10-15km away from Willingen. Diemelsee is the smallest but most natural reservoir in the Sauerland. It is also the name of the "Nature Park Diemelsee==References====External links==

Here you can make a great holiday in the warm half of the year in beautiful nature and find peace and relaxation. At the lake there are numerous beautiful and flat sloping free beach baths (+ dog beach), boat rental and excursion ship. Besides the water fun you can also excellent hiking and cycling there.

The main town at Diemelsee is Heringhausen with visitor center, AdventureGolf and Halls & Leisure Baths with sauna. Outdoor swimming pool with sauna is located in the OT-Vasbeck. Largest place of the municipality-Diemelsee is Adorf with Visitor mine and all shops for daily needs.

Holiday objects at the Diemelsee click HERE

Tourist magnet Willingen ↗

Tourism magnet Willingen - directly next to it

Advantage of Lake Diemel to other Lakes of Sauerland is its proximity to Willingen The nature-loving Diemelsee-holidaymaker is therefore at the disposal of the perfect tourist infrastructure of a "holiday metropolis". In Willingen there is the Ettelsberg cable car, Germany's largest high heath, lagoon experience pool, ice rink, top ski area, the largest large ski jump in the world, mountain bike downhill park and a Recreational world Willingen, which is probably unique in its compact variety among German holiday resorts: climbing hall, 3D minigolf hall, glass factory, summer toboggan run, milk MUHseum, Curioseum, Wild & Amusement Park, indoor Kartbahn, an attractive shopping street, numerous party and adventure gastronomy etc. Such an extensive tourist infrastructure in the immediate vicinity can not offer any other Sauerland lake. More Willingen-Infos HERE

View another image ↗

Bad Arolsen - directly adjacent town

Bad Arolsen is the closest shopping town for the municipality of Diemelsee. Residence Castle is the centre and landmark of the Residence town built in Baroque styleThe castle and town were built in 1713–1810 by Prince Friedrich Anton Ulrich of Waldeck and Pyrmont. Queen Emma of the Netherlands born in the residence of Arolsen, which is why the castle attracts guests from the Netherlands in particular. Walk miles in the Schlossstraße and Large avenue. There are also Spa park and Castle Park and the Recreational pool Arobella. On the outskirts of the city is the Lake Twiste with the most beautiful sandy beach pool in Waldecker Land, a 9-hole golf course and water skiing facility. More info about Bad Arolsen HERE

As view of the nature park Diemelsee from Bank above Heringhausen ↗

Nature Park Diemelsee

„The highest mountains of the Sauerland, wide valleys, deep forests alternated with meadows and fields determine the image of the nature park Diemelsee. Colourful deciduous and mixed forests, but also dark spruce forests, between fields and pastures, colorful flower meadows, crystal clear streams, Erika-colored high heathens and in the middle of the DiemelseeA picturesque landscape like this awaits visitors to the nature park Diemelsee. Fortunately, the rural area was spared from large-scale projects, industrial facilities, traffic snow and bed castles. Here you can still enjoy an intact nature at any time of year. The Natural Park Diemelsee includes the municipalities of Willingen, Diemelsee and parts of Brilon, Korbach and Marsberg. The nature highlight is probably Germany's largest high heathen Ettelsberg/Neuer Hagen. In the "House of Nature" explain Expert Rangers ecological contexts of the natural park landscape. Historical city centres In Brilon, Korbach and Marsberg there are so many romantic corners. Visitor mines in Adorf, Willingen and Marsberg explain the former work underground. Hiking & cycling trails invite you to beautiful tours through the beautiful nature – and on hot days the numerous natural Beach baths at the Diemelsee. The nature park Diemelsee promises a discovery-rich and relaxed holiday in beautiful nature. guided tour through the nature park Diemelsee by a certified natural and agricultural guide, the Tourist information in Diemelsee and Willingen. More info Lake Diemel Nature Park HERE

Diemelsee Panorama ↗

Diemelsee - a natural recreational lake

The Diemelsee is the smallest and most natural of the Sauerländer reservoirs but it has its qualities, because on hot summer days it is more varied but contemplative than on often overflowing Möhne or Edersee. At Diemelsee you can experience a pleasant and stress-free summer day.

This already starts with the parking lot, because at Diemelsee there are enough and Free parking, especially in the area of the beach resort Helminghausen and the campsite Hohes Rad near Diemelseebrücke.

Diemelsee dam ↗

Diemelsee - dam

The Diemel Valley Dam is one of the oldest reservoirs in Germany. Construction began between 1912 and 1914, but it was not completed until after World War I in 1923-24.

The dam is a curved heavy-weight wall of 42 m height, crown length 194m and crown width 7m. The reservoir volume of the lake is about 21.75 million m3. The shore length is approx. 16 km. It leads a combined Wheel/walk around the lake around.

Together with her big sister - the Edersee – the Diemel valley barrier serves the water level regulation of the Weser. Through the Diemelsee runs the state border between Hesse and NRW. The special feature of the Diemelsee is its V-fermigkeit, 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 run together.

Bathing at the beach Heringhausen Diemelsee ↗

Strandbad Heringhausen

It's the Main beach at Diemelsee at the newly designed See-Promenade of Heringhausen.

There are waterpontons, water slide, playground, lawn, beach volleyball, gastronomy, boat rental and DLRG. Also the investor of passenger shipping is adjacent to the beach bath and boat rental. Parking and beach are free. In the small place it is only a few meters.

Bathing at Helmeringhausen beach lake Diemelsee ↗

Strandbad Helmeringhausen

The 200m long and free beach pool on the north shore is the nearest one from the direction of Willingen. Just drive through the beautiful Itttertal and you are already there. By car it is about 8 minutes and enough free parking spaces are also available.

This beach is not suitable for small children and non-swimmers because it is relatively steep in the water. Also, the beach area is quite narrow. There are waterponton, bathing pier, playground, lawn, kiosk, toilet and DLRG. The well-known "ferry house", boat dock and boat rental are about 700m away.

There is also a separate dog beachOn the dog beaches your dog can romp and swim without a leash.In several places there are dog toilets with the request for use, thank you!On the dog beaches your dog can romp and bath without a leash.In several places there are dog toilets with the request for use, thank you! On the dog beaches your dog can romp and swim without any leash. In several places there are dog toilets with the request for use, thank you! the dog beaches may romp and bath without leash. In several places there are dog toilets with the request for use, thanks!

Strandbad Seebrücke am Diemelsee ↗

Beaches Seabridge & High Wheel

The most spacious and beautiful beach area at the Diemelsee - 700m long and therefore always pleasantly quiet. The three-part beach area is located on the opposite side of the lake of Heringhausen, to reach over the Diemelbrücke - or from Willingen coming over the street Schwalefeld-Rattlar-Ortlar. "Seebrücke" and "Hohes Rad" are two campsites on the west shore. 300m long beach area "Seebrücke", which was redesigned in 2019 with sunbathing area and sandy beach. There are toilets, showers, kiosk, playground and beach volleyball. For small children and non-swimmers this relatively flat sloping beach area is most suitable. Gastronomy is located directly behind the beach at the campsite. Young people chill at the cocktail bar "Bar de StrandThe lake has a Caribbean flair near the Diemelseebrücke, from which the brave youth likes to jump into the lake. 200m long lawn-beach area "high bike" is separated from the beach area Seebrücke by a small bay and the sailboat harbour. The beach Hohes Rad has no direct supply. WC + gastronomy are located at the campsite Hohes Rad in approx. 200m distance. For this it goes here comfortably. A third beach section is the approx. 200m long dog beach "High bike"where your dog can romp and swim without leash. Half of the dog is made up of meadow and a natural part consisting of protected sneezing. This area is also used (unofficially) by naturist friends.

Indoor pool in Heringhausen am Diemelsee ↗

Halls & leisure pool Diemelsee

( MeineCard+ Partners) In Heringhausen directly on the Diemelsee is the "small but fine" indoor and leisure pool with indoor and exercise pool, outdoor swimming pool and sunbathing area in summer. There is also a children's pool landscape as well as a small sauna landscape. Accents such as floor bubbling, water cave, massage jets, swarm showers, whirlpool and a bar footbar complete the bathing landscape.

Hallenbad im Haus des Gastes
Kirchstraße 6
34519 Diemelsee-Heringhausen
Tel. (0 56 33) 9 11 35 Homepage

Summer evening in the outdoor pool Diemelsee-Vasbeck ↗

Freibad Diemelsee-Vasbeck with sauna

Cosy and manageable outdoor pool with village charm, which is no longer common. Pool size 15 x 25 m; water temperature approx. 24 27°C. There is slide and springboard; baby pool with 30 °C water temperature; lawn; covered seating; table tennis table; disabled-friendly furnished premises.

Sauna: The new sauna is open on Mondays, Wednesdays and Saturdays from 5 pm, as well as by appointment.

Opening hours (As of 2019) Open from May to the end of September - depending on weather conditions Saturday and Sunday: 11.00 a.m. to 19.00 a.m. Monday to Friday: 24.00 a.m. to 19.00 a.m. In the Westphalian and Hessian summer holidays additionally Monday to Friday from 11.00 a.m. In case of bad weather, the bathroom is closed. www.freibbad-vasbeck.de

View of Helmeringhausen and Diemelsee dam ↗

...not just for water rats!

Around the Diemelsee there are numerous summer attractions: the new SeePromenade Heringhausen, excursion ship MS Muffert; nature-related educational trail about life at the lake; playgrounds; rental of canoes, electric and pedal boats. In addition there is a beautiful mostly nuturated lake walk as part of the tour (4.5km) in combination with the boat (ferry hiking). An adventure promises an adventure Canoe tour on the Diemel. In Heringhausen, there is the "Visionarium" and the beautifully situatedGolf Park"DiemelseehütteThe lake has a beautiful view of the lake. Helming Houses Beach is the ‘Ferry houseThe region is one of the most popular biker races in Sauerland, where several hundred motorcycles can be admired on sunny weekends. Motorcycle paradise. Also the culturally pregnant Baroque town of Bad Arolsen with imposing residence castle is only 20km away from the lake Diemelsee. If you stay longer at the lake Diemelsee, it might be worth a day trip to the 65km away Bergpark Schloss Wilhelmshöhe with its famous water games (UNESCO World Heritage Site).

Visionarium Diemelsee ↗

Visionarium Diemelsee

"See, touch and experience nature interactively ( MeineCard+ Partners) Experiential bilingual exhibition (D+NL) with many hands-on stations such as touching or moving all kinds of information about the Diemelsee, the dam, the habitats and landscapes in the Nature Park Diemelsee. Visionarium (in the House of Tourist Information) Kirchstr. 6, 34519 Diemelsee-Heringhausen Tel.: +49 56 33 91 133 Homepage Visionarium Opening hours: Monday - Friday 9:00 – 19:00, Saturday – Sunday 10:00 – 18:00

Maislabyrinth Ottonenhof in Diemelsee-Ottlar ↗

Maize labyrinth Diemelsee-Ottlar

( MeineCard+ Partners) The nature fun in Upland for the whole family!

From the beginning of July it just doesn't mean to lose track of our corn labyrinth on approx. 15,000 m2. We have mowed a well-worn misguided network into our corn field, which leads you crisscrossing the corn. And so that the little ones can find the right way with certainty, they can acquire the "Mausführerschein" (ca. 400 m2) in the "Zwergenlabyrinth", to lead the parents and grandparents through the big labyrinth.

And don't be afraid if you get lost – we'll save you! Opening hours:
July 6 until the corn chipping approx. mid-October,
Tue – Thu. + Sun.: 11.00 – 6 p.m.,
Fr. + Sat.: 11 a.m. – 7 p.m.
Mon: 11 a.m. – 6 p.m. (July + August)

Ottonenhof-Maislabyrinth
to Upland 8
34519 Diemelsee - Ottlar
Tel. +49 5633 991666
Email: info(at)ottonenhof.de

Golfpark Diemelsee-Heringhausen ↗

Diemelsee Golf Park

( MeineCard+ Partners) The absolutely unique type of mini golf; 13 highlights of the "Diemelsteig" have been reconstructed as a golf course. On the terrace of the connected Diemelseehütte, a panonama awaits you on the lake and delicious flamb cake.

Open from April-October (not daily in the preseason, so please call)

Golfpark & Diemelseehütte Siekesweg 1 34519 Diemelsee-Heringhausen Tel. +49 (0)5633 2699965 info(at)golfpark-diemelsee.de www.golfpark-diemelsee.de

Diemelsee-Donuts Boat rental ↗

Diemelsee Donuts & boat rentals

The extraordinary boat fun for family and group trips - as well as celebrations.

In the middle of the Diemel donuts there is a tabletop module. A charcoal grill or a flat table element can be used in this. Practical storage space is located under the benches.
The extra bookable grill package includes the required number of plates, cutlery, a prepared grill, barbecue and fridge - on request also a Bluetooth speaker.
There are donuts for 8 people or 10 people. For children there are life jackets available.

The boat is easily controlled with an electric outboard motor - thus a participant becomes the captain.

Diemel donuts Season: May to 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, the ship's dock can also be used for Electric boats, rowing boats and professional Fishing boats rental. See the following passenger shipping.

Logo Diemelsteig ↗

Diemelsteig

A Tasty bites for hikers is the 63km long quality hiking trail "DiemelsteigThe route through the entire nature park Diemelsee with a top point of view.

The Dome Tower is located between Diemelsee and Willingen and the villages Ottlar and Rattlar on the 738m high mountain Dommel. Its viewing platform at 756m is after the Ettelsberg the second highest in North Hesse. Here you have not only a impressive panoramic view of the nature park Diemelsee, but also a Spectacular view: Arnsberger Wald, Teutoburger Wald, Eggegebirge, Solling, Hoher Meissner, Kellerwald, Thüringer Wald, Rhön and Vogelsberg can be seen in clear weather.

More info: Diemelsteig

View from the Dome Tower ↗

Dome Tower

The top point of view at the Diemelsee.

Diemelsee-Adorf visitor mine ↗

Visitor mine Adorf

( MeineCard+ Partners) The Adorfer Mining of ore The mine has been a visitor mine since 1986. In the 1200m long tunnel tour, the life of the miners is reproduced by figures in their various activities. The Christiane pit is part of the mine's history. National Geopark Border Worlds.

New since 2015 is the interactive information centre for iron ore mining In a modern, vivid and exciting way, the history, mining and development of the iron ore as well as the hard work of the underground miners are conveyed with the help of many hands-on stations. Former buddies lead through the tunnel and tell impressively about life and work underground including some anecdote...

Opening hours: April until the end of October always Wednesday and Saturday from 1–17 hrs.; on Sundays and holidays from 10–17 hrs.The last guided tour is always at 4 pm. Visitor mine Grube Christiane
Bredelarer 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

Diemelsee - Adorf ↗

Diemelsee - Adorf

Adorf is the main town of the municipality Diemelsee and is located 5km from the lake in the direction of Bad Arolsen.

Adorf is a historically grown village with all shops of daily needs; food market, discounter, several bakeries, drink market, butcher's shop, pharmacy and various specialist shops (including electric).

In the Middle Ages Adorf was a market with mining tradition and HistoryThere was a water castle that was converted into a well-known mansion in the early 19th century, which stands in the centre of the village.

Kloster Flechtdorf (Diemelsee) ↗

Kloster Flechtdorf

Church and convent building of the former Benedictine abbey from the 12th century are a unique architectural monument, which was awarded the Hessian Monument Protection Prize in 2015!

34519 Diemelsee-OT Flechtdorf

www.kloster-flechtdorf.de

Anglers with fish at the Diemelsee ↗

Fishing around the Diemelsee

The Diemelsee - one of the most beautiful and natural lakes in Hesse offers everything the fishing heart desires.

The shore beaches are freely accessible - except for the nature reserve. Extensive stocking measures allow good fishing opportunities. Especially popular is the predatory fishing and practically at all shore sites possible. The use of e-motor and echo sounder is allowed, ice fishing is possible with appropriate ice thickness. The colder months offer best towing times for predatory fish. Friedfish anglers also find abundant occurrences.

At the end of the page the fishing friend finds two videos about perch and predatory fish fishing at Diemelsee

Overview map Fishing at the Diemelsee ↗

Information for anglers

Boat hire: Boat rentals Stefan Koch, Am See 8, 34431 Marsberg-Helminghausen, telephone: 02991 - 64 41 Homepage Fishing requirement: Fishing paradise Diemelsee in Helminghausen at Diemelsee-Vorbecken Günter Giesler, Padberger Str. 19, 34431 Marsberg-Helminghausen, Tel: (02991) 908309 or 2149976 Fishing paradise on Facebook Fishing conditions at the Diemelsee

Only hand fishing is allowed, no other fishing equipment.
Trawling from the boat is allowed outside of the time of schonzeit.
Lower for bait fish is allowed.
Fishing with live bait fish/animals and keeping fish are prohibited.
Sett keshers are permitted according to the requirements of the Hessian fishing set.
In the only protected area at the Itter entrance, sport fishing is prohibited, as well as in front of bridges, boat docks, beach baths in the bathing season, bathing platforms and other structures as well as in side streams.
Fishing can be stopped if the water level drops sharply. Free camping, open fire and camps are not allowed at Diemelsee and the whole region.
Anglers are obliged to carry waste bags and to take their own waste with them and dispose of it properly.
The minimum size of the artificial spinning baits (blinkers, wobblers, etc.) used must be at least 8 cm. During the pike conservation period from 01.02.-31.05. only worm and dough fishing may be fished.
Fishing time: June to September 5.00-24.00 and October to May 6.00.24.00. Night fishing prohibited.

The fishing season and minimum levels are set out in the Land Fisheries Regulation of 27 October 1992 (GV BL No 28, pp. 612 ff) (Map No 101) Fish Time-limit Minimum size Eel 01.10-01.03. 50 cm
Ashes 01.03.-15.05.30 cm
Frozen 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
Sluice 01.05.-30.06. 25 cm
Sea trout 15.10.-31.03. 50 cm (limiting the daily catch to 3 fish)
Zander 15.03.-31.05. 45 cm (limit of the daily catch to 3 fish) No catch restrictions are subject to: Brixes, döbel, Dreist, Stichling, river bass, gables, giesters, tadpole, hazel, carp, roach, ukelei and catfish. Prices:

3-day note: 10 € Outputs below...
Annual ticket: 80 € (available only at Hessen-Forst, Warburger Weg 28, 34474 Diemelstadt, tel.: 05694 / 99 16 30, fax: 05694 / 99 16 340)

PDF downloads: Rules of the Hesse Fisheries Act 2019 HERE detailed information about fishing at Lake Diemel (Tourist-Info Diemelsee) Issuers 3-day notes:
House of the Guest - 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 HERE Diemelsee fishing cards Buy online

Diemelsee map for anglers

Overview map Fishing at the Diemelsee Groß ↗

Webcams: Diemelsee & Willingen

all 14 Diemelsee & Willingen Webcams as well as many other Sauerland webcams Click HERE

Meteomedia weather station Willingen (595m)

Diemelsee & Nature Park Diemelsee