Best lakes around Alfhausen are centered around the Alfsee, a prominent man-made lake in Lower Saxony, Germany. This lake functions as both a flood control reservoir for the Hase River and a significant recreation area. The region features diverse aquatic environments, including natural bathing lakes and reservoirs, many of which are integrated into nature reserves. These areas provide habitats for various bird species and offer a range of outdoor activities.
Last updated: May 17, 2026
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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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Great lake in beautiful surroundings. A must-see on a bike tour. Nice restaurants nearby. Top
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The Hase flows through small gates into the Alfsee.
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The water of the Hase flows through the Alfsee.
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It's best to drive on top of the dike instead of on the small pavement below.
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Very nice bathing lake and there is a campsite nearby
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The overflow threshold is passable and I recommend this kl. Detour because of the great view over the lake and the sound of the water.
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The lake is a flood retention basin and was built between 1970 and 1993. Before that, the flood of the hare caused flooding. Leisure and recreation center included.
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The Alfsee offers a wide range of activities, including camping, a go-kart track, an indoor play area, and water skiing at the Alfsee Waterski Facility. It's also suitable for swimming and provides extensive leisure programs.
Yes, the Heidesee Recreation Center, Holdorf is a natural bathing lake known for its clear water and family-friendly environment. The Alfsee is also suitable for swimming.
For easy walking or cycling, Hase Lake features a well-paved path around it, offering a scenic spot for a leisurely stroll or bike ride. The area around Alfsee also has accessible paths, including a very easy-to-ride bike path.
The Alfsee is part of the "Hochwasserrückhaltebecken Alfhausen-Rieste" nature reserve and an EU bird sanctuary. It's a vital habitat for various water birds, including greylag geese, mute swans, tufted ducks, and great crested grebes. A cormorant colony and white-tailed eagles are also present. The western shore features a relatively narrow, continuous reed belt.
Absolutely. The Alfsee offers extensive family-friendly leisure programs, including an indoor play area and camping. The Heidesee Recreation Center, Holdorf is also known for its family-friendly environment and is ideal for children to swim.
The Alfsee Overflow Weir offers a great view over the lake and the sound of flowing water, making it a recommended detour for scenic vistas.
You can enjoy various outdoor activities. For cycling, explore routes like the 'Ostrich Farm – Am Goldhügel Rest Area loop' or 'Café Bauerndiele – Nonnenbach loop'. Hiking options include the 'Viewpoint Reserve Basin Alfsee loop' or 'Gold Hill Shelter – Heiligenberg Forest Nature Trail loop'. Find more details on these activities in the Cycling around Alfhausen and Hiking around Alfhausen guides.
Yes, there are several running trails. You can try the 'Viewpoint Reserve Basin Alfsee loop' from Alfhausen (5.3 km) or the 'Sparkassen Cup Alfhausen loop' (8.9 km). For more options, check the Running Trails around Alfhausen guide.
The Alfsee Overflow Weir is a 330-meter-long structure built in 1974. It plays a crucial role in flood control for the Hase River, allowing the Alfsee to hold up to 13 million cubic meters of water. Beyond its practical function, it offers scenic views and the relaxing sound of flowing water.
Visitors appreciate the extensive leisure program at Alfsee, including water sports and camping. Many also enjoy the peaceful atmosphere, noting that it's not overcrowded even in summer, especially in the evenings. The scenic views from the Alfsee Overflow Weir are also highly regarded.
Yes, there are options for refreshments. Near Alfsee, you can find Rhodes Heuerhaus with coffee and cake near Rieste, which is recommended for a nice coffee break. The Heidesee Recreation Center, Holdorf also has facilities where you can get a cool drink and something to eat. Hase Lake also has a cafe nearby.
Yes, the Alfsee is highly significant for nature conservation. It is part of the "Hochwasserrückhaltebecken Alfhausen-Rieste" nature reserve and is designated as an EU bird sanctuary. The reserve basin is a vital resting and wintering ground for numerous water bird species, making it an important ecological area.


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