Best lakes in the Harz Mountains offer a diverse array of experiences, from tranquil natural beauty to areas suitable for water sports. Many of these bodies of water are integral to the Upper Harz Water Management System, a UNESCO World Heritage Site, highlighting their historical significance in mining. The region's landscape features extensive forests and riverside paths, providing a backdrop for exploration.
Last updated: April 24, 2026
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One of six ponds in a cascade in the Grumbach valley as well as various moats, which were used to transport the precious water. All of these facilities were built from 1680 to supply the water wheels of the mines around Hahnenklee-Bockswiese. They are part of the cultural monument "Oberharzer Wasserregal" and since 2010 also a UNESCO World Heritage Site.🌊💙🌊
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The Middle Grumbacher Pond is one of many idyllic ponds in the Upper Harz water shelf and the enchanted-looking paths here. If you want to enjoy the idyll in peace, it's better to hike here outside of weekends, public holidays and holiday periods, because the Liebesbankweg and the pond cascades are now so popular that sometimes there's almost too much going on. Or you start running when the weather isn't so great, then it's quieter :)
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Here you can see the idyllic Middle Grumbacher Pond, beautifully located and great paths on the Liebesbankweg
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The Mittlerer Grumbacher Teich is a former mining pond in the Upper Harz surrounded by forest on three sides. It is located southwest of the Bocksberg and east of the town of Bockswiese. The man-made body of water was originally called the “Herzog-August-Teich” and served as a water and energy storage facility for the ore mines and smelting operations of the Bockswieser Zug. The pond dam was built in the summer of 1675 by just 70 miners in just 10 weeks. This reservoir was subsequently raised and partially redesigned using a new pond construction method. In 1827 the dam at the Middle Grumbacher Pond almost burst. On the airside embankment, a section about 20 meters long slipped, leaving less than half a meter of the top of the dam standing. A hastily organized large-scale rescue operation was able to prevent the impending breach of the pond dam at the last moment. The impending catastrophe, which would have flooded and washed away the two raft ponds down the valley and large parts of the town of Bockswiese, did not occur and the pond, which is extremely important for the operation of the ore mines and smelting works, could be completely repaired without emptying it. Source: https://www.harzlife.de/teiche/mittlerer-grumbacher-teich.html
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It was my first time there and I was really excited! Great atmosphere great food great nature
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Wonderful panorama 🌊💙 Stamp office of the HWN 110♟️ Beautiful shelter with benches available to really enjoy what is offered here - simply wonderful ❣️🤗📸 Built in 1969, the Granetalsperre 🌊 is the youngest of the Harz reservoirs. Because the Grane river does not carry enough water for the 3 km long lake, an approx. 7.4 km long tunnel to the Oker was dug below the Okertalsperre. 😲
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Very impressive view of the Rappbode Dam and the Titan-RT suspension bridge! It's worth a visit. 👍
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The lakes and dams in the Harz Mountains are unique due to their diverse natural beauty and significant historical role. Many are integral to the Upper Harz Water Management System, a UNESCO World Heritage Site, highlighting their historical importance in mining. They offer a range of experiences, from tranquil natural settings to areas suitable for various water sports.
Yes, many lakes in the Harz Mountains are family-friendly. For instance, the Silberteich on the Nature Myths Trail (HWN 148) is part of a lovingly and imaginatively laid out area, suitable for families. The Oderteich offers a non-strenuous circular hike of about 4.5 kilometers, perfect for families. The Bärenbrucher Pond (HWN 137) also provides a nice atmosphere for families to relax.
The Okertalsperre (Oker Dam) is a prime location for water sports in the Harz Mountains. It's the largest reservoir in Lower Saxony and permits non-motorized crafts, making it a hub for diving, fishing, surfing, and swimming. The Rappbode Dam also attracts adventurers with various activities available.
Absolutely. Many lakes and dams in the Harz Mountains have historical significance. The Oderteich, for example, was created in the 18th century to supply water to mines, making it Germany's oldest reservoir. The Upper Harz Water Management System, which includes several ponds like the Lower Grumbacher Pond and Middle Grumbacher Pond, is a UNESCO World Heritage Site due to its historical mining connections.
Yes, there are several easy walking trails. The Oderteich features a circular path of about 4.5 kilometers, taking approximately an hour to walk. The path along the “Allee der Bäume” through the Grumbachtal, leading to the Lower Grumbacher Pond, is also an easy and idyllic walk. For more options, you can explore the hiking guide for the Harz Mountains, which includes routes like the 'Circular hiking trail Oderteich'.
The Harz Mountains offer extensive hiking opportunities around its lakes. Popular routes include the circular path around the Oderteich and trails along the Rappbode Dam, which are integrated into the Harz hiking trail network. For more challenging options, the Hiking in the Harz Mountains guide lists routes like 'Panoramic walk around the Eckertalsperre dam'.
Many Harz lakes are highly photogenic. The Oderteich is known for excellent photo opportunities, especially from its dam. The Blue Lake (Blauer See) is renowned for its stunning turquoise-blue water, particularly on sunny spring days, contrasting beautifully with bright limestone walls. The Lower Grumbacher Pond and Middle Grumbacher Pond offer idyllic reflections of dense coniferous forests in their waters.
The Harz Mountains lakes offer beauty year-round. Spring is ideal for seeing the Blue Lake's vibrant turquoise color. Summer is perfect for swimming and water sports at lakes like the Okertalsperre. Autumn brings stunning foliage, while winter offers a serene, snow-covered landscape, though some paths might be slippery, as noted for the Silberteich.
Many trails around the Harz lakes are dog-friendly. For example, the Bärenbrucher Pond (HWN 137) is listed as dog-friendly. It's generally advisable to keep dogs on a leash, especially within the Harz National Park or protected areas, to protect wildlife and ensure a pleasant experience for all visitors.
For a peaceful experience, the Lower Grumbacher Pond and Middle Grumbacher Pond, nestled amidst dense coniferous forests, offer a quintessential Harz idyll. The Talsperre Mandelholz (Mandelholz Dam) is also a relatively small yet picturesque reservoir, providing a varied hiking area for quiet walks.
Yes, fishing is a popular activity at several Harz lakes. The Talsperre Mandelholz is rich in fish and appealing to anglers. The Granetal barrier, while not allowing swimming or water sports, is a popular spot for fly fishing. Always check local regulations and permit requirements before fishing.
The Harz lakes are surrounded by diverse natural features, including extensive forests, idyllic bays, and geological formations. You can find stunning viewpoints, such as from the dam of the Oderteich or from the Shelter with a view of the Granestausee lake (HWN 110). The Blue Lake offers insights into geological history with its bright limestone walls.
Yes, several major dams offer circular walks. The Rappbode Dam has riverside paths integrated into the Harz hiking trail network, providing opportunities for circular routes. The Oderteich also has a well-known circular path. These walks often provide varied perspectives of the dams and surrounding nature.


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