Best lakes around Oyeu are primarily centered around Lac de Paladru, a significant natural glacial lake known for its distinct turquoise to emerald waters. This region, characterized by wooded hills and "étangs" (ponds), offers a diverse landscape for outdoor activities. Lac de Paladru is the fifth-largest natural glacial lake in France, providing a central point for exploration. The area combines natural beauty with historical significance, including archaeological sites.
Last updated: June 29, 2026
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Lake Paladru is very popular in the summer, especially on weekends. Swimming is possible; there's a small, well-equipped beach.
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This is a classic bike ride around Grenoble, easy and suitable for the whole family.
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A tourist attraction in this area is Lake Paladru, which stretches from the village of the same name in the north to Charavines in the south. If you walk around the lake from a distance rather than on the paths directly along the shore, the hills offer some very beautiful views of the landscape. But not only that: on the outskirts of Bilieu – on the eastern shore of the lake – we pass a small sacred monument: a simple wayside cross made of two massive wooden beams (without a body or INRI inscription), which already shows the wear and tear of wind and weather.
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A very popular lake to visit during the summer months when the lake is quite refreshing. Every year, there is a time trial around the lake.
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Beautiful public bathing area, turquoise water
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Located at an altitude of 500 m at the bottom of a depression of glacial origin with a substantially north-south axis, the Etang du Grand-Lemps nature reserve presents an exceptional flora and fauna heritage over 53 ha. Its slopes are shared between pastured meadows, crops and chestnut copses. The bottom of the depression corresponds to a marsh covered by peat bog vegetation and phragmites. The peat environments, and more particularly the sphagnum groups, constitute the originality of the site. Source: Natural Reserves Org
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Pretty beach where it is possible to swim and enjoy the turquoise water of the lake.
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Pasture by the water, there are happy cows.
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The primary natural feature is Lac de Paladru, known for its distinctive turquoise to emerald waters, often compared to Caribbean hues due to chalk deposits. The lake is nestled among wooded hills, offering picturesque views. Beyond this, the region also features numerous smaller 'étangs' (ponds) that contribute to its diverse landscape.
Lac de Paladru is excellent for various water sports. You can go swimming, with summer water temperatures reaching a comfortable 25°C at its four supervised beaches (Charavines, Le Pin, Montferrat, and Paladru). Other popular activities include canoeing, stand-up paddleboarding, rowing, catamaran sailing, dinghy sailing, pedal boating, and even lake diving.
Yes, Lac de Paladru is very family-friendly. It offers four supervised beaches, including Charavines Beach, which is well-equipped for swimming. There are also designated relaxation areas like Véronnière and Bois d'Amour, perfect for picnics and family breaks. The 7 km greenway connecting Paladru to Charavines is also suitable for family cycling.
The area around Lac de Paladru offers numerous routes for hiking and cycling. A notable 7 km greenway (14 km round trip) connects Paladru to Charavines. For hikers, popular trails include the 'Tour du Lac de Paladru' loop (17.4 km) and the 'On the shores of Lac de Paladru' loop (13.6 km). For elevated views, try the 'Croix des Cochettes and Belvédère' loop (9.2 km), which offers a wonderful perspective of the lake from the hillside, as seen from Croix des Cochettes View of Lac de Paladru. You can find more cycling routes in the Cycling around Oyeu guide and running trails in the Running Trails around Oyeu guide.
The summer months are ideal for visiting, especially if you plan to swim, as the water in Lac de Paladru is refreshing and reaches comfortable temperatures. However, the off-season can also be very pleasant for those seeking tranquility and fewer crowds, with beautiful scenery for hiking and cycling.
Yes, Lac de Paladru has significant archaeological importance. It was home to one of the earliest human settlements in Isère around 2700 BC (the Neolithic village of Les Baigneurs) and later, a site for knights during the An Mil period. Artifacts discovered during underwater excavations are displayed at the Archaeological Museum of Lake Paladru in Charavines.
For stunning panoramic views of Lac de Paladru, head to Croix des Cochettes View of Lac de Paladru. This elevated spot on the hillside provides an amazing perspective of the glacial lake. Many hiking and cycling routes around the lake also offer magnificent vistas.
The region boasts a dedicated mountain biking area, the 'Site VTT-FFC du lac de Paladru et du Val d'Ainan'. A challenging route, 'N°1 – Les étangs d'Oyeu', is a 20.7 km loop with a 568m elevation gain, offering a panoramic view of Lac de Paladru after passing the tranquil Étangs du Thivoley. You can find more cycling routes in the Cycling around Oyeu guide.
Visitors particularly appreciate the breathtaking turquoise waters of Lac de Paladru and its lush green surroundings, which many compare to exotic locales. The refreshing water is a highlight during summer, and the excellent cycle paths are also highly praised. The diverse range of activities, from active sports to peaceful relaxation, also contributes to its appeal.
While Lac de Paladru is the main attraction, the Oyeu region is also known for its smaller 'étangs' (ponds). One example is Grand-Lemps Pond, which is part of a nature reserve with exceptional flora and fauna, offering a more tranquil experience with pastures and unique peat bog vegetation.
For specific information regarding fishing permits and regulations for the lakes around Oyeu, it is best to consult local tourism offices or fishing associations. The Chartreuse Tourisme website may offer relevant details: chartreuse-tourisme.com.
Yes, the towns surrounding Lac de Paladru, such as Charavines and Paladru, offer various amenities including cafes and restaurants where you can enjoy a meal or a drink with views of the lake. These are particularly active during the peak season.


Still not found your perfect lake around Oyeu? Check out the guides of these regions to see even more beautiful places.