Best lakes around Fröndenberg/Ruhr are found in the surrounding region, offering diverse recreational opportunities. While Fröndenberg/Ruhr itself does not feature large natural lakes, nearby towns provide accessible waterside destinations. These areas are characterized by a mix of natural landscapes, redeveloped industrial sites, and dammed reservoirs. The region serves as a significant recreational area for both residents and visitors seeking outdoor activities.
Last updated: May 11, 2026
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Popular around Fröndenberg/Ruhr
View of the Iserlohnerheide from Marienbrunnerweg
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The Seilersee in Iserlohn, also known as the Callerbachtalsperre, is a process water dam with an area of 13 hectares and a storage space of 350,000 m³. It was built in 1913–1914 and is a popular local recreation area. A 1.6 km long hiking trail leads around the lake, and there are various leisure options such as an ice rink, a sports and brine pool, tennis courts and a mini golf course.
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The former aristocratic residence Haus Rodenberg in Dortmund-Aplerbeck originally emerged from a medieval moated castle on the banks of the Emscher and was mentioned in a document as early as 1290. Of the former gardens, only the outer bailey island, the surrounding moats, the house pond and remnants of the wall surrounding the main garden remain. Today the park area is a public green space in the center of the Aplerbeck district.
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The oldest and most detailed known depiction of House Rodenberg and its lands is a map from 1801 by Wesermann. Like many aristocratic residences in the Dortmund area, Haus Rodenberg was designed as a fortified complex and was thus completely surrounded by water. Still in keeping with the simple design language of the Renaissance, the parts of the garden were laid out as delimited, almost square areas outside the moats and surrounded by quarry stone walls. In the center of the eastern or main garden was a round pool and a pavilion at the edge. To the north was the tree farm with rows of fruit trees. The small square in the south, also almost square, with quarry stone walls and equipped with the same simple wayside cross, was surrounded by a moat and was therefore also called "water parterre".
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If the pedestrians walk on their part of the way, it's very good to drive on the Phoenixsee :)
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The Rodenberg House is a moated castle in the Aplerbeck district of Dortmund. The castle fell into disrepair in the 19th and 20th centuries. All that remained of the former moated castle was the outer bailey with the economic section. After the castle was destroyed in the Clevisch-Märkischen succession dispute in 1422, it was rebuilt in the years that followed. Between 1689 and 1698 the castle was rebuilt into a baroque moated castle. The property was sold to the city of Dortmund in 1985, which had the park and Rodenberg house thoroughly restored by 1996 and finally handed it over to the citizens of Dortmund. The castle is listed as a monument, the former castle as a monument in the monument list of the city of Dortmund. Today, Haus Rodenberg is home to the seminar rooms of the adult education center in Dortmund, the fairytale stage (a puppet theater for children and adults) and upscale gastronomy. The premises of Haus Rodenberg can be rented for so-called ambience weddings through the adult education center in Dortmund. The former mill pond and the park with "orchard" are well visited in summer.
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While Fröndenberg/Ruhr itself doesn't have large natural lakes, the surrounding region offers several popular destinations. These include Hexenteich (Witch Pond) in Menden, known for its tranquil atmosphere and turtle population; Seilersee Iserlohn, a dammed lake with a popular hiking trail; and Phoenix Lake in Dortmund, a significant example of post-industrial regeneration.
Yes, many lakes in the region are suitable for families. Seilersee Iserlohn offers a beautiful hiking trail and a children's playground. Hexenteich (Witch Pond) is a picturesque spot where children might enjoy looking for turtles. Phoenix Lake in Dortmund also provides ample space for relaxation and walks, with an artificial beach area.
The lakes offer a variety of natural and redeveloped landscapes. At Hexenteich (Witch Pond), you'll find a picturesque setting with a small bay in a rock valley, home to a turtle population. Seilersee Iserlohn is a dammed lake surrounded by a scenic trail. Phoenix Lake showcases a modern landscape created from a former industrial site, offering open water views and green spaces.
Yes, the region blends natural beauty with historical significance. Hexenteich (Witch Pond) carries a historical mystique, with its name linked to past witch hunts. Additionally, Haus Rodenberg Water Castle, a medieval moated castle, is located on the banks of the Emscher, offering a glimpse into the region's past.
The area around Fröndenberg/Ruhr and its nearby lakes is excellent for various outdoor activities. You can enjoy hiking, running, and road cycling. For example, there are many running trails, such as the 'Fröndenberg Silo – Metal Sculpture 'Männchen' loop', and easy hikes like the 'Forest Path – Dellwig Memorial loop'. Road cyclists can explore routes like the 'Ruhr Riverside Path – Graefs Mund-Werk bike street loop'. You can find more details on these activities in the Running Trails around Fröndenberg/Ruhr, Easy hikes around Fröndenberg/Ruhr, and Road Cycling Routes around Fröndenberg/Ruhr guides.
Absolutely. Seilersee Iserlohn features a popular 1.6 km hiking trail around its perimeter. While Phoenix Lake has a beautiful bike path that is also suitable for walking, offering views of the lake and the Dortmund skyline. For more extensive hiking options, explore the Easy hikes around Fröndenberg/Ruhr guide.
The lakes are enjoyable year-round, but each season offers a different experience. Spring and autumn provide pleasant temperatures for hiking and cycling, with vibrant foliage or blooming nature. Summer is ideal for water-related activities and enjoying the outdoor facilities. Even in winter, a tranquil walk around the lakes can be very atmospheric.
The lakes in the broader region, such as Phoenix Lake in Dortmund and Seilersee Iserlohn, are generally well-connected by public transport from their respective towns. It's advisable to check local transport schedules for the most convenient routes to each specific lake.
Yes, you'll find options for refreshments. Seilersee Iserlohn has restaurants that invite visitors to linger. Phoenix Lake in Dortmund is surrounded by various cafes and eateries, especially along its promenade. Haus Rodenberg Water Castle also features a restaurant and cafe.
Visitors appreciate the diverse recreational opportunities and the blend of natural beauty with historical and redeveloped sites. Many enjoy the tranquil atmosphere of places like Hexenteich (Witch Pond), the active leisure facilities at Seilersee Iserlohn, and the unique transformation story of Phoenix Lake. The komoot community has contributed over 800 photos and more than 3,500 upvotes, highlighting the region's appeal.
While specific details for all lakes vary, Phoenix Lake in Dortmund is known for its well-developed infrastructure, including cycle paths that are often suitable for wheelchairs, offering good accessibility around the lake.
Many trails and paths around the lakes are dog-friendly, making them great for walks with your canine companion. For instance, the paths around Seilersee Iserlohn and Phoenix Lake are popular for dog walks. Always remember to keep dogs on a leash where required and clean up after them.


Still not found your perfect lake around Fröndenberg/Ruhr? Check out the guides of these regions to see even more beautiful places.