Best lakes around Margerie-Hancourt are centered around Lac du Der-Chantecoq, a significant artificial lake in the Marne department of northeastern France. While Margerie-Hancourt itself is a small commune, the nearby Lac du Der is a major attraction. This area is known for its extensive water body, which serves both flood regulation and recreational purposes. The landscape features a large lake with diverse natural habitats and opportunities for outdoor activities.
Last updated: May 12, 2026
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The attractive seawall provides an ideal setting for relaxing walks and enjoying the fresh sea air. A perfect option for a relaxing moment. In summer, it is often easily accessible without water.
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The Grand Coulon pond is known among ornithologists for being home to numerous bird species. Swans, ducks, and even marsh warblers are regularly seen here. The observatory makes it easy to discover this wildlife in its natural environment. Grab your binoculars!
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This small sandy beach is directly accessible from the cycle path. It is located in a cove, which makes swimming safe.
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Beautiful little sandy beach, not very crowded. Nice views of the lake.
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Take boots and binoculars
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Beautiful route along the water. Pure relaxation!
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The artificial lake was built to protect Paris from flooding of the Seine
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The Gué Botanical Park, located in the Loire Valley, is a haven of peace where nature reigns supreme. With its beautifully landscaped gardens, varied botanical collections and winding paths, it offers visitors an immersive experience at the heart of biodiversity.
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The main lake attraction in the vicinity of Margerie-Hancourt is Lac du Der-Chantecoq. It is France's largest artificial lake, spanning 4,800 hectares with 77 kilometers of shoreline, and serves as a major recreational and ecological hub.
Lac du Der-Chantecoq is nationally and internationally recognized for its exceptional biodiversity, particularly for birdwatching. It's a designated Natura 2000 and Ramsar site, and a National Game and Wildlife Reserve, providing sanctuary to over 310 recorded bird species. It's especially famous as a crucial migratory stopover for tens of thousands of Common Cranes.
Yes, Lac du Der-Chantecoq is an excellent destination for birdwatching. The Bird Observatory at Étang du Grand Coulon is a popular spot where you can easily observe diverse bird species like swans, ducks, and marsh warblers in their natural environment. Binoculars are recommended.
Beyond the lake itself, you can explore the Submersible Footbridge of Lac du Der, which offers relaxing walks and is often submerged, requiring visitors to walk in shallow water during certain periods. There's also the Bird Observatory at Étang du Grand Coulon for wildlife viewing, and the Parc Botanique du Gué with its landscaped gardens and botanical collections.
Lac du Der-Chantecoq is a vibrant hub for water activities. You can enjoy sailing, kite-surfing, jet-skiing, canoeing, kayaking, paddleboarding, and fishing. There are also six sandy beaches, such as the Campsite beach, which are supervised by lifeguards from July to August, perfect for swimming and relaxation.
Yes, Lac du Der-Chantecoq offers extensive cycling opportunities with 100 kilometers of safe routes, including a popular 38 km 'Tour du Lac'. You can find various cycling tours, such as the 'View of Lac du Der – Lake Der-Chantecoq loop from Port de Chantecoq', on the Cycling around Margerie-Hancourt guide.
There are numerous hiking trails around Lac du Der-Chantecoq, winding through picturesque landscapes and ancient oak forests. Popular options include the 'Lac du Der-Chantecoq – Birdwatching hut loop from Port de Chantecoq' and the 'Picknickplatz – Lac du Der-Chantecoq loop from Port de Chantecoq'. More details can be found in the Hiking around Margerie-Hancourt guide.
Absolutely. Lac du Der-Chantecoq is very family-friendly, offering supervised sandy beaches for swimming, various water sports, and easy cycling and hiking paths. The Bird Observatory at Étang du Grand Coulon and the Parc Botanique du Gué also provide engaging experiences for all ages.
The best time to visit Lac du Der-Chantecoq depends on your interests. Spring sees the lake full and vibrant. For birdwatching, especially the Common Crane migration, visit between October and March. Summer (July-August) is ideal for swimming and water sports due to supervised beaches. The lake transforms with the seasons, offering captivating scenery year-round.
Yes, the creation of Lac du Der-Chantecoq involved the submersion of three villages. The Village-Musée du Der (Museum Village of Der) offers a unique glimpse into this history, featuring reconstructed timber-framed buildings from the original communities. Remnants of the old, submerged villages can occasionally become visible during periods of lower water levels, particularly around October.
Yes, there are mountain biking trails available. You can find routes like the 'Tour of Lac du Der – View of Lac du Der loop from Camping Foret' or the 'View of Lac du Der – Roadway (often submerged) loop from Arrigny'. For more MTB options, check the MTB Trails around Margerie-Hancourt guide.
Visitors particularly enjoy the extensive opportunities for cycling around Lac du Der-Chantecoq, with its beautiful routes along the water offering pure relaxation. The diverse bird species at spots like the Bird Observatory at Étang du Grand Coulon are also a major draw, as are the tranquil sandy beaches for swimming and unwinding.


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