Natural monuments around Alfhausen are found in the picturesque Osnabrücker Land, an area characterized by natural beauty and geological formations. The region features significant protected natural areas, including the expansive Alfsee and the surrounding nature reserve. Visitors can explore diverse landscapes, from unique geological depressions to river systems and forests. Alfhausen offers a blend of natural attractions that highlight its rich environmental heritage.
Last updated: May 12, 2026
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A mystical atmosphere prevails in the juniper grove.
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A beautiful barefoot path surrounds this juniper grove
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The 330 m long overflow sill, the inlet of the Alfsee, was built in 1974 with a 10 hectare settling basin. This is where sand and alluvial particles that would worsen the water quality of the lake are supposed to settle. The outlet structure was also built in 1974.
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As early as 1999, the western Hase dam in the Gehrde-Rüsfort area was moved back over a length of 1.4 km. Around ten years later, the Hase dam was moved over a length of 0.8 km on the east bank. The additional lowering of the ground level has led to the development of fresh grassland and reed zones that correspond with the groundwater. This also enables periodic flooding typical of floodplains. The revitalized Hase floodplains also offer additional retention space for future flood events. Various wet biotopes and pools were also created. By establishing flora that is suitable for the site, a natural floodplain landscape is created in which various birds, reptiles, amphibians, grasshoppers and dragonflies find suitable habitats.
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The Hase is a 169.6 km long, eastern and orographically right tributary of the middle Ems in the Osnabrück district, the independent city of Osnabrück, the Cloppenburg district and the Emsland district (all in Lower Saxony) as well as the Steinfurt district (in North Rhine-Westphalia). Its catchment area is 3086 km²[2]. Near Gesmold, the Else branches off from the Hase in the artificially created Hase-Else bifurcation, whereby part of its water also flows into the Weser river system. Much further north, the Hase branches off into the Große Hase and Kleine Hase near Quakenbrück in an inland delta that begins there, the Hasedelta.
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The Hase flows through small gates into the Alfsee.
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The special thing is of course the heathland with juniper. But the design of the barefoot path is also very well done.
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Even if you are here a little after the main flowering period, the view is worth it. It really is a small piece of Lüneburg Heath.
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The region around Alfhausen offers a diverse range of natural features. You can explore the expansive Alfsee, a large reservoir and recreational area, or follow the River Hase, known for its inland delta and canoeing opportunities. Don't miss the unique geological formation of the Geologisches Denkmal Alkenkuhle, a crater-like depression with local legends, or the ecologically significant Hochwasserrückhaltebecken Alfhausen-Rieste Nature Reserve, an EU bird protection area.
Yes, several natural monuments around Alfhausen are ideal for families. The Alfsee offers extensive leisure programs, including camping and water activities. Hase Lake has a well-developed paved path perfect for walks and cycling. The Juniper grove Merzen-Plaggenschale features an adventure trail with educational stations, some of which can be walked barefoot, providing an engaging experience for children.
The natural monuments around Alfhausen are excellent starting points for various outdoor activities. You can enjoy hiking and cycling along the paved paths around Hase Lake and the Alfsee. The River Hase is popular for canoeing. For more structured routes, explore the many options for hiking, road cycling, and mountain biking in the region.
Yes, there are several scenic viewpoints. The Alfsee Overflow Weir offers a great view over the lake and the sound of rushing water. The Hexenboll viewpoint, mentioned in regional research, also provides panoramic perspectives of the landscape. Additionally, the trails around Hase Lake and through the Juniper grove Merzen-Plaggenschale offer picturesque settings.
The natural monuments around Alfhausen can be enjoyed throughout the year, but each season offers a different experience. Spring and summer are ideal for water activities at Alfsee and for exploring the trails. Autumn brings beautiful foliage, while winter can offer peaceful, quiet walks, especially around the Geologisches Denkmal Alkenkuhle or the Juniper grove Merzen-Plaggenschale.
The Hochwasserrückhaltebecken Alfhausen-Rieste Nature Reserve is particularly known as an EU bird protection area. It serves as an important retreat for various waterfowl. Visitors may spot species like the white stork, osprey, and even the re-breeding white-tailed eagle. The Alfsee Nature and Education Center (NBZ Alfsee) provides more information on the region's birdlife.
Yes, the region blends natural beauty with historical intrigue. The Geologisches Denkmal Alkenkuhle is not only a geological wonder but is also steeped in local legend and is located near ancient megalithic tombs and Bronze Age stone cist graves, making it a compelling destination for those interested in history and local myths.
While specific cafes and accommodation directly adjacent to every natural monument are not detailed, the Alfsee area is a significant recreational hub with extensive leisure programs, which typically include dining and lodging options. The town of Alfhausen and nearby communities will also offer various cafes, pubs, and accommodation choices.
The Juniper grove Merzen-Plaggenschale is unique for its mystical atmosphere and its approximately 500-meter-long adventure trail. This trail features six stations that provide interesting facts about the natural and cultural-historical aspects of the landscape, with some sections designed as a barefoot path for a sensory experience.
The duration of your visit depends on which natural monuments you wish to explore and what activities you plan. A quick stop at a viewpoint like the Alfsee Overflow Weir might take an hour, while a full day could be spent enjoying the recreational facilities at Alfsee or hiking the trails around the Geologisches Denkmal Alkenkuhle. Many visitors combine several sites for a half-day or full-day excursion.
Yes, the region offers several circular walking routes. For example, the TERRA.track Alkenkuhle circular trail allows you to experience the mystical landscape around the Geologisches Denkmal Alkenkuhle. Additionally, there are numerous hiking routes around Alfhausen, including easy circular paths like the 'Viewpoint Reserve Basin Alfsee loop'.
The River Hase is a significant tributary of the Ems and plays a crucial role in the region's geography and ecology. It is notable for its unique inland delta near Quakenbrück. Beyond its natural importance, the river offers recreational opportunities, particularly for canoeing, making it a popular spot for outdoor enthusiasts.


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