Best attractions and places to see around NSG Hallerey is a nature reserve in Dortmund, Germany, recognized as one of the city's oldest protected natural areas. The reserve features a 33-hectare lake, formed by mining subsidence, surrounded by extensive woodland belts, grassland, and deciduous forest stands. It is known for its rich biodiversity, particularly its birdlife, with approximately 260 bird species identified. The area offers a tranquil escape and serves as a local recreational area.
Last updated: June 29, 2026
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Largest lake in the Ruhr area formed by subsidence: the Hallereysee.
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The Hallerey nature reserve in Dortmund, with a size of around 72.1 hectares, offers an idyllic natural landscape for nature lovers and those seeking relaxation. The area, which has been protected since 1977, is characterized by its diverse flora and fauna. The Hallerey offers an impressive natural spectacle, especially in spring and summer when the plants are in full bloom. The plants that grow here include, for example, the light purple waterwort, the yellow groundsel and the delicate pink flowers of wild roses. The Hallerey is also an important habitat for a rich world of insects and birds. Over 174 species of large butterflies, including peacock butterflies, small tortoiseshells and brimstone butterflies, find a habitat here. The area is also home to over 240 species of birds, including rare species such as the little grebe and grebe, various species of geese, ducks and the reed bunting. The second largest colony of black-headed gulls in North Rhine-Westphalia, located in Hallerey, is remarkable. Visitors can also explore the nature reserve by bike. A paved path runs along the lake and offers a pleasant route through the nature reserve. The Hallerey is therefore a perfect excursion destination for anyone who longs for a break in the countryside, be it on foot, by bike or to observe the diverse flora and fauna. The Hallerey nature reserve is easily accessible and is located in the immediate vicinity of the Wischlingen Revierpark. Public transport, such as bus lines 447 and 461, tram lines 403 and 404, and S-Bahn line 2, stop at the nature reserve, and there are also park-and-ride parking spaces at the Marten Süd stop
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Nice wide trail along the lake
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Great view over the lake in the Hallerey nature reserve with its many birds.
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NSG Hallerey is a significant nature reserve featuring a 33-hectare lake, formed by mining subsidence, surrounded by extensive woodland belts, grassland, and deciduous forest stands. It's an excellent example of how nature has reclaimed and integrated with former industrial activity.
The reserve is renowned for its rich biodiversity, especially its birdlife, with approximately 260 bird species identified. You might spot various waterbirds and forest birds such as Greylag Goose, Common Kingfisher, and Eurasian Goshawk. It's also home to amphibians like the common toad and several bat species.
Yes, the reserve offers an accessible circular walking route of approximately 3 km. The terrain is generally flat with wide paths, making it suitable for walking, cycling, and even wheelchairs. You can explore the Hallerey Nature Reserve Trail which provides a wide path around the lake.
Birdwatching is a popular activity, with winter, autumn, and spring being the best seasons to visit for observing migratory and resident birds.
Yes, the Forest path in the Hallerey Nature Reserve offers shade and runs along the lake, providing a cool and comfortable route, especially during warmer weather.
Yes, the Forest path in the Hallerey Nature Reserve is noted as dog-friendly, making it a great spot for walks with your canine companion.
Beyond walking, you can find various outdoor activities. There are several running trails, cycling routes, and easy hikes available in the surrounding area, catering to different interests and fitness levels.
Parking is conveniently available on Höfkerstrasse and near the adjacent Revierpark Wischlingen, providing easy access to the nature reserve.
The 33-hectare lake at the heart of NSG Hallerey was formed in the early 20th century due to mining subsidence and was initially used for coal washing. It stands as a unique example of the integration of nature and former industrial activity.
Visitors appreciate the tranquil escape and the opportunity to observe diverse birdlife, especially from spots like the South shore of Hallerey Lake. The wide, accessible paths and the shaded forest routes are also highly valued for walks and bike trips.
Yes, the nature reserve is situated adjacent to Revierpark Wischlingen, which offers additional amenities like a swimming pool, and the Forest path in the Hallerey Nature Reserve provides a direct connection to it.


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