Best natural monuments around Ungersheim offer a diverse natural landscape at the foothills of the Vosges Mountains. The region is characterized by its rural environment and provides views of the Alsatian plain. The Écomusée d'Alsace, located within Ungersheim, provides a significant natural experience with extensive nature trails and rich biodiversity across 97 hectares. This area allows visitors to explore local flora and fauna in a preserved setting.
Last updated: July 2, 2026
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The Langenstein menhir (a 4-meter-high long stone) was erected in 1904 by a Soultzmatt industrialist, who recognized this block as an overturned menhir. Legend tells that on full moon nights, fairies, or White Ladies, come to dance around the Langenstein. During this ceremony, the stone is said to begin spinning!
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The “Roche Sermet” is a rock formation located on the Hartmannswillerkopf¹ battlefield. It is located at an altitude of approximately **910 meters**². Hartmannswillerkopf, also known as Vieil Armand, is a pyramidal rocky spur in the Vosges massif, overlooking the Alsace plain from its 957 meters¹. During the First World War, it was a strategic summit hotly contested by the French and German armies¹. Today, the Hartmannswillerkopf is a place of memory, bearing witness to the suffering of the soldiers who fought in the name of their country¹. The German remains encountered on the ground, sometimes quite spaced apart from each other, are witnesses to this historical period¹. Source: conversation with Bing, 05/07/2024 (1) HWK: Vestiges of the Past - e-monsite. https://hartmannswillerkopf.e-monsite.com/pages/hwk-vestiges-du-passe.html. (2) Presentation. https://hartmannswillerkopf.e-monsite.com/pages/presentation.html. (3) The Hartmannswillerkopf | Paths of memory. https://www.cheminsdememoire.gouv.fr/en/hartmannswillerkopf. (4) The Hartmannswillerkopf - Official website. https://www.memorial-hwk.eu/.
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The Adlerhorst is a German shelter located on the Hartmannswillerkopf³ battlefield. This two-story shelter is built into a rock³. It is equipped with a machine gun post, observatories and a fountain³. Hartmannswillerkopf, also known as Vieil Armand, is a pyramidal rocky spur in the Vosges massif, overlooking the Alsace plain from its 956 meters². During the First World War, it was a strategic summit hotly contested by the French and German armies². Today, the Hartmannswillerkopf is a place of memory, bearing witness to the suffering of the soldiers who fought in the name of their country³. The German remains encountered on the ground, sometimes quite spaced apart from each other, are witnesses to this historical period³. (1) The Hartmannswillerkopf – German positions – By hills and by forts. https://parmontsetparforts.fr/2024/03/17/hwk-positions-allemandes/. (2) The Hartmannswillerkopf - Official website. https://www.memorial-hwk.eu/. (3). https://bing.com/search?q=adlerhorst+810+hartmannswillerkopf.
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Langstein means long stone. According to scientists, the block was extracted approximately 1km from its location. Its erection dates from the Celtic period, around 560 BC. It was rediscovered in 1904 lying on the ground by Fritz Keller, an industrialist from the region. It was straightened in 1906. A host of legends are linked to this Menhir. Listing them here would be too long.
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The Hartmannswillerkopf is one of the four great national monuments of the First World War. Composed of an altar, a cemetery and a crypt, it is also distinguished by its unique setting overlooking the plain of Alsace. To visit the crypt, timetables are available on the website: www.memorial-hwk.eu.
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Very nicely preserved section of the stellungssysteme.Clear recommendation
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The visit is worthwhile. The museum is very good and the tomb site is well maintained. The hike through the position system also starts from here. Good shoes required, no flip flops! Clear recommendation to start from here
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The region around Ungersheim offers a diverse natural landscape, particularly notable for its rural environment and views of the Alsatian plain. The Écomusée d'Alsace in Ungersheim is a significant natural experience, spanning 97 hectares with extensive nature trails and rich biodiversity, allowing visitors to explore local flora and fauna in a preserved setting.
Yes, several natural monuments in the area also hold significant historical importance. The Hartmannswillerkopf National Monument, for instance, is a major World War I memorial set against a stunning natural backdrop overlooking the plain of Alsace. Another is Roche Sermet, an outpost with reconstructed historical elements and views of the Grand Ballon.
For panoramic views, the Viewpoint at the summit of Vieil Armand is a must-see. It offers expansive vistas over the Rhine Valley and towards the Black Forest. Additionally, Roche Sermet provides a unique perspective of the Grand Ballon.
Absolutely. The Écomusée d'Alsace is highly recommended for families, featuring "La Forêt des Jeux" (The Forest of Games), an engaging area dedicated to environmental protection. The Hartmannswillerkopf National Monument is also considered family-friendly, offering both natural beauty and historical education. For a unique historical natural monument, the Langenstein Menhir is an interesting spot with local legends.
The area around Ungersheim is excellent for various outdoor activities. You can find numerous hiking trails, including easy loops like the "Beautiful blue metal bridge – Ecomuseum of Alsace loop." For those who enjoy running, there are several running routes, such as the "Grosswald loop from Ungersheim." Gravel biking enthusiasts can explore routes like the "Along the Ill – Abandoned Railway Bridge loop from Ensisheim."
The natural monuments around Ungersheim can be enjoyed throughout the year, but spring and autumn often offer the most pleasant weather for outdoor activities like hiking and exploring. These seasons also bring beautiful foliage or blooming flora, enhancing the natural scenery. Summer is also popular, especially for the Écomusée d'Alsace with its open-air activities.
Yes, parking is generally available near the main natural monuments and attractions. For instance, the Écomusée d'Alsace has dedicated parking facilities. For sites like Hartmannswillerkopf, there are parking areas provided for visitors to access the memorial and viewpoints.
Yes, the natural areas, particularly within the Écomusée d'Alsace, are rich in biodiversity. Over 5,000 living species have been recorded within this natural haven, making it an excellent spot for observing local flora and fauna. The extensive nature trails provide ample opportunities for wildlife spotting.
Beyond the well-known sites, the Langenstein Menhir is a fascinating, ancient standing stone with local legends, offering a glimpse into the region's Celtic past. Another intriguing spot is the Adlerhorst Command Post – World War I, a rock fortress with preserved steps, rooms, and gun positions, providing a unique blend of natural rock formations and historical significance.
Visitors frequently appreciate the blend of natural beauty and historical depth. The panoramic views from sites like Vieil Armand and Roche Sermet are highly praised. The preserved trenches and bunkers at Hartmannswillerkopf offer a poignant historical experience within a stunning natural setting. The biodiversity and nature trails of the Écomusée d'Alsace are also a major draw, especially for families and nature lovers.
Many of the outdoor natural areas and trails around Ungersheim are dog-friendly, provided dogs are kept on a leash. The extensive nature trails within the Écomusée d'Alsace and the hiking paths leading to viewpoints like Vieil Armand are generally suitable for walks with your canine companion. Always check specific site regulations before visiting.


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