Hallerey

Hallerey is a protected natural area west of Dortmund covering about 72 hectares with a large lake, surrounding meadows, and woodlands. The lake formed from ground subsidence due to former mining and is now home to water birds and aquatic plants.

The area received protection in 1977 after mining activities ceased and subsidence created the lake. An expansion in 1989 added more land and strengthened the protected status of the entire site.

The reserve serves visitors today as a place for watching birds and butterflies along the paths and over the water. Former mining grounds have transformed into a place where nature has returned and the industrial past remains visible only in the landscape's shape.

The area is best explored on foot or by bicycle with marked trails that circle the lake and pass through woodlands. Parking is available near Höfkerstraße, and paths remain accessible year-round, though early morning and evening hours are better for watching wildlife.

The reserve hosts an unusually high diversity of bird species, making it an important stopping point for migratory birds, especially during spring and fall migration. This role makes it a special place for birdwatchers and nature lovers who may spot rare species.

Location: Dortmund

Inception: 1978

GPS coordinates: 51.51390,7.40361

Latest update: December 12, 2025 12:02