Best lakes around Riethgen are situated in the Thuringia region of Germany, an area characterized by its diverse natural landscapes. While Riethgen itself is a small village, the surrounding federal state offers various water bodies, including natural lakes, karst springs, and retention basins. These features contribute to the region's ecological importance and provide opportunities for outdoor activities. The area is known for its wetlands and protected natural sites, which support a wide array of wildlife.
Last updated: June 27, 2026
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The Gründelsloch near Kindelbrück is one of the most impressive and important karst springs in Thuringia. It was created by the dissolution of limestone in the subsoil. The resulting underground cavity collapsed in 1611, causing a sinkhole and the spring to emerge. The active karst spring, with a diameter of 22 m and a discharge of around 15,600 l per minute, has several older precursor springs that are lined up like a string of pearls from northwest to southeast in the area of the Kindelbrück fault zone and dried up again over time. Examples of these dried-up precursor springs are the Kuhborn, around 700 meters away, or the karst spring on the Steinrinne. Source: display board
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Very clean and well maintained park.
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The cycle path in the direction of Sondershausen is currently closed.
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Benches available for resting
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Such a large source is something special.
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The amount of water emitted is already enormous, it is 260 liters of water per second
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The source glows turquoise and the colorful foliage is reflected in the water
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Beautiful grounds, especially now in the fall. The water is beautiful to look at.
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The region offers diverse natural features. You can visit the Gründelsloch Karst Spring, a significant natural monument known for its active spring and unique play of colors. Additionally, the Herbslebener Teiche Nature Reserve is a European bird sanctuary with extensive reed beds and high biodiversity, while the Straussfurt Retention Basin provides a unique meadow landscape and crucial nesting grounds for various bird species.
Yes, the region is excellent for birdwatching. The Herbslebener Teiche Nature Reserve is a designated European bird sanctuary, home to nearly 100 breeding bird species. The Straussfurt Retention Basin is also a crucial nesting and breeding ground, and an important resting place for migratory birds, especially during spring and autumn.
For a quiet spot, Hängsberg Lake (Greußen) is a leased water body, making it ideal for anglers and offering a peaceful place for an extended break during tours.
Families can enjoy scenic walks around the beautifully landscaped Gondola Pond, observing nature and animal life. Another great option is the Cleric Forest Inn Fish Ponds and Water Wheel Trail, a short circular walk with mini water wheels and a wooden art and herb trail, which is very suitable for children.
Yes, there are several hiking opportunities. For easy walks, consider routes like the 'Gondelteich Loop' or the 'View of Bilzingsleben – Gründelsloch Karst Spring loop from Kindelbrück'. You can find more details and routes in the Easy hikes around Riethgen guide.
Spring and autumn are particularly good for birdwatching at the Straussfurt Retention Basin, as it serves as a resting place for migratory birds. Generally, the warmer months offer pleasant conditions for walking and exploring the natural beauty of the lakes and surrounding areas.
Yes, the Waldgaststätte Cleric is a restaurant located near the Cleric Forest Inn Fish Ponds, known for its delicious fish dishes. It's recommended to make a reservation on weekends.
Yes, the region offers various cycling routes. For example, the 'Unstrut Cycle Path – Gründelsloch Spring loop from Kannawurf' is a moderate MTB trail that passes by the Gründelsloch Karst Spring. You can explore more options in the MTB Trails around Riethgen guide or the Gravel biking around Riethgen guide.
The Gründelsloch Karst Spring is one of Thuringia's most impressive and important karst springs. It was formed by the dissolution of limestone, creating an active spring with a diameter of 22 meters and a discharge of around 15,600 liters per minute, offering a unique play of colors that visitors find captivating.
The Herbslebener Teiche Nature Reserve is home to over 1,000 animal species, including nearly 100 breeding bird species like the Great Bittern and Reed Warbler. The Straussfurt Retention Basin is also rich in birdlife, with herons, swans, grebes, gulls, ducks, and migratory Common Cranes often observed.
Yes, the Gondola Pond, located at the foot of the Runneburg, offers plenty of parking, making it convenient for visitors to enjoy a walk around the beautifully landscaped area.


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