Best attractions and places to see around Harkortsee include a diverse range of natural and historical sites. This reservoir, situated between Hagen, Herdecke, and Wetter, offers opportunities for water sports, hiking, and cycling. The area features significant landmarks such as viaducts and castle ruins, alongside extensive natural landscapes. Visitors can explore well-developed paths around the lake and through nearby nature reserves.
Last updated: October 9, 2026
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Beautiful view 👌
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Good cycle path, always happy to do a tour along here.
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It is so nice to walk through the small streets
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"... The town of Wetter (today: Alt-Wetter) originally belonged to the county of Mark, which between 1250 and 1274 was built by the Counts of Mark, Wetter Castle, probably mainly as a Margraviate outpost against the Electorate of Cologne's Volmarstein Castle. With the introduction of the Margraviate of Mark's administrative constitution, a bailiff of the Counts of Mark, who usually belonged to the regional nobility, came to Wetter at the beginning of the 14th century. Since the 19th century, Wetter has belonged to the Hagen district in the Arnsberg administrative district of the Prussian province of Westphalia. The town charter that Wetter had lost in 1809 was re-granted in 1909. Since 1929, Wetter has belonged to the Ennepe-Ruhr district. Through the law on the reorganization of the Ennepe-Ruhr district, the then town of Wetter (Ruhr) was merged with the neighboring communities of Esborn, Volmarstein and Wengern to form a new town, which was also given the name Wetter (Ruhr). The area of the old town of Wetter has since formed the Alt-Wetter district. The coat of arms of the old town of Wetter (Ruhr) shows a gold (yellow) bar chequered from red to silver (white) in three rows of eight fields each, with a black W above it. The coat of arms shows the symbols of the Counts of Mark (chequered bars) and the "W" for the city. The old Wetter town hall with the statue of Baron vom und zum Stein, the Villa Bönnhoff and Villa Vorsteher as well as the Luther Church built in 1905 are among the most important buildings in the district. Equally important is the approximately 5.2 hectare municipal cemetery of Alt-Wetter, which is located on Gartenstrasse on the southwest slope of the Harkortberg. For several years it has been called the "Park of Peace"..." https://de.wikipedia.org/wiki/Alt-Wetter
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Very well-kept facades, great half-timbering, quaint little but also steep alleys. Lots of great photo opportunities 🎨👌🏼 A real diamond 💎 among the recommendations 👌🏼👌🏼👌🏼
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Always happy but on weekends it is very crowded there
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Beautiful lake with an easy-to-drive road around it
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The Harkortsee area is rich in history. You can visit the impressive Ruhr Viaduct at Harkort Lake, a 313-meter long railway viaduct built in 1878. Other significant sites include the medieval Burg Wetter Castle Ruins overlooking the lake, the 13th-century Wasserschloss Werdringen which now houses a museum, and the charming Alt-Wetter Old Town with its well-maintained facades and narrow alleys. Don't miss the Wetter-Freiheit Reformed Church, an architectural landmark in Wetter's old town.
Yes, there are several excellent viewpoints. The View of the Ruhr Viaduct in Herdecke offers a stunning perspective of the 313-meter long viaduct and the surrounding landscape. You can also find breathtaking views from the gentle hills of Kaisberg, located south of the lake, which offers a scenic route with panoramic vistas.
Harkortsee itself is a central natural attraction, offering opportunities for sailing, rowing, and canoeing. The lake is one of six Ruhr reservoirs. The area also features the Kaisbergaue Nature Reserve and the Harkortsee Former Yacht Harbor Nature Reserve, both protecting critical habitats. Additionally, the FFH Area Felsen am Harkortsee (Rocks at Harkortsee) preserves unique rock formations and flora.
The Harkortsee region is ideal for various outdoor activities. Well-developed footpaths and cycle paths encircle the lake, perfect for long walks and bike tours. You can find numerous cycling routes, including easy loops like the "Harkortsee Railway Viaduct – Ruhr Viaduct at Harkort Lake loop from Wetter (Ruhr)" on the Cycling around Harkortsee guide. For mountain biking, explore trails like the "Harkort Tower – Descent at Harkortberg loop from Wetter (Ruhr)" from the MTB Trails around Harkortsee guide. Gravel biking options are also available, such as the "Ruhr Viaduct at Harkort Lake – Harkortsee Railway Viaduct loop from Herdecke" in the Gravel biking around Harkortsee guide.
Many attractions around Harkortsee are family-friendly. The well-maintained hiking and cycling paths around the lake are suitable for families. The passenger ship "Friedrich Harkort" offers scenic tours, which can be a fun experience for all ages. Historical sites like the Harkortsee Railway Viaduct and the View of the Ruhr Viaduct in Herdecke are also accessible and interesting for families.
The warmer months are generally ideal for visiting Harkortsee, as this is when the passenger ship "Friedrich Harkort" operates, offering scenic lake tours. The well-developed footpaths and cycle paths are also most enjoyable during spring, summer, and early autumn for hiking and biking. However, the historical sites and natural beauty can be appreciated year-round.
Yes, well-developed footpaths and cycle paths encircle the Harkortsee, providing excellent routes for long walks and bike tours. The northern shore features an idyllic path from Wetter to Herdecke, which is part of the famous RuhrtalRadweg (Ruhr Valley Cycle Path). The Hagen shore is more untouched and natural, offering a different experience.
Visitors particularly enjoy the combination of natural beauty and historical significance. The impressive Harkortsee Railway Viaduct is a popular spot for photography, with many feeling a sense of stepping back in time. The scenic views, especially from spots like the View of the Ruhr Viaduct in Herdecke, are highly appreciated. The charming Alt-Wetter Old Town also receives praise for its historical architecture and photo opportunities.
Yes, there are important nature reserves in the vicinity. South of the lake, paths meander through the Kaisberg, which is home to the Kaisbergaue Nature Reserve. Additionally, the Harkortsee Former Yacht Harbor Nature Reserve is another key protected area, safeguarding critical habitats and supporting a wide range of species around the lake.
The Cuno Power Plant, located on the Herdecke side of the lake, is a significant part of the region's industrial heritage. While much of its original structure has been replaced, an older administrative building still remains. It stands as a testament to the area's industrial past. While it's a notable landmark, it is primarily an operational facility, and public access to the main plant may be restricted.
Yes, Harkortsee is a central attraction for water sports enthusiasts. The lake offers opportunities for sailing, rowing, and canoeing. During the warmer months, the passenger ship "Friedrich Harkort" also provides scenic tours across the lake, allowing visitors to enjoy the water from a different perspective.
The Ruhr Viaduct at Harkort Lake is an impressive sandstone railway viaduct spanning the Harkortsee between Hagen and Herdecke. Built in 1878, it is 313 meters long, almost 30 meters high, and features 12 semi-circular arches. It's a striking structure, a popular spot for photography, and is also part of the Route of Industrial Heritage, highlighting its historical and architectural importance.


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