Best lakes around Mertesheim are found within the Rhineland-Palatinate region, offering diverse natural features for recreation. The area is characterized by its proximity to the Palatinate Forest, providing a mix of natural ponds, former quarry lakes, and designated bathing areas. These bodies of water contribute to the region's appeal for outdoor activities, including hiking and relaxation. Mertesheim's surrounding natural features include protected bog ponds and scenic trails.
Last updated: May 11, 2026
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The pond is located very close to the monastery ruins, and you'll inevitably pass by. There's a single shady bench and a table and chairs here. It's a good place for a short rest. We were able to observe Euphemia's aforementioned gander in action. It's best not to get too close.
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Nice rest area right by the Rosenthaler Weiher... nice place for a break
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Small hiking trail around the protected lake with many information boards about nature.
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A beautiful path leads around the lake with many insights and information boards
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A very beautiful area to observe and enjoy nature.
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Without the sign with its interesting information, this “highlight” would not have caught the eye.
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The Ungeheuersee is a shallow rain-moor pond that is mainly fed by the Krumbach. On the shore of the lake there is a sandstone boulder with his name carved into it. According to a legend, no one used to like going there because forest spirits were up to mischief here at midnight. Apparently there was also a forest woman living by the lake who is said to have stolen many a child. However, the name has nothing to do with that; rather, it comes from the words “Unger” for forest pasture and “Heyer” for enclosure. The path around the lake is about 700 m long and several information boards offer explanations. The managed Weisenheimer Hütte is located on its northwestern bank.
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The region around Mertesheim offers a diverse landscape of natural features. You'll find unique bog ponds like the Ungeheuersee, former quarry lakes such as the Basalt Lake (Nordbruch and South Quarry) with observation platforms, and historical reservoirs like Eckbach Pond. Many lakes are nestled within the Palatinate Forest, providing scenic views and tranquil settings.
Yes, the Ungeheuersee is a protected natural monument, recognized as a shallow bog pond fed by the Krumbach, offering an idyllic and untouched natural setting. Another unique natural feature is the Niefernheimer Löcher Springs, which are swampy spring ponds with a fascinating geological history.
For a peaceful retreat, the Rosenthaler Pond is described as a beautiful lake ideal for relaxation. The Ungeheuersee also offers an idyllic and tranquil setting, perfect for unwinding amidst nature.
Yes, several lakes in the broader region are designated bathing lakes. Gelterswoog is a popular destination for swimming, featuring a beach and changing facilities (admission fee applies in summer). Herrnsheimer Badesee, a former gravel pit, has been developed into a recreational area with extensive sunbathing lawns and facilities. Eiswoog and Seehofweiher also offer opportunities for a refreshing swim.
Absolutely. Many lakes, especially those within the Palatinate Forest, are surrounded by hiking trails. For example, you can walk around the Ungeheuersee. You can find numerous routes, including easy and moderate options, by exploring the hiking guide for Mertesheim.
Beyond hiking, the area offers various outdoor activities. Gelterswoog is popular for cycling, and you can find dedicated MTB trails and running routes throughout the region, often passing by or near these scenic lakes.
The Rosenthaler Pond is known as a family-friendly lake with facilities. Eckbach Pond is also considered family-friendly. For swimming and sunbathing, Gelterswoog and Herrnsheimer Badesee offer beaches, changing rooms, and kiosks, making them good choices for families during warmer months.
Yes, Eckbach Pond was originally created in the Middle Ages as a reservoir for mills, with its dam raised in the 1870s for flood protection. The Basalt Lakes (Nordbruch and South Quarry) were formed in former basalt quarries after mining ceased, offering a unique industrial history turned natural landscape. The Niefernheimer Löcher Springs also have a unique geological origin, located at the intersection of fault lines.
Some lakes offer facilities for visitors. Rosenthaler Pond has general facilities. Seehofweiher features a kiosk and a sunbathing area. Gelterswoog provides a beach, changing facilities, and a kiosk (with an admission fee during summer). Herrnsheimer Badesee is well-equipped with toilets, changing rooms, showers, a kiosk, and even beach volleyball courts.
The best time to visit largely depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and enjoying the changing foliage around the lakes. Summer is ideal for swimming and sunbathing at designated bathing lakes like Gelterswoog and Herrnsheimer Badesee. Even in winter, some lakes offer opportunities for tranquil walks, though facilities might be limited.
While specific regulations can vary by lake, many natural areas and trails around the lakes in the Palatinate Forest are generally dog-friendly, especially for walks on a leash. It's always advisable to check local signage or specific lake rules regarding dogs, particularly in designated bathing areas or nature reserves like the Ungeheuersee.
Yes, the Ungeheuersee is noted for its idyllic setting and offers viewpoints. The Nordbruch crater lake, part of the Basalt Lake complex, features an observation platform providing excellent views of the lake and surrounding landscape.


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