4.6
(274)
7,215
riders
282
rides
Road cycling around Chirens offers diverse terrain, characterized by the picturesque Lake Paladru and the surrounding Valdaine hills. The region provides a mix of challenging climbs and scenic routes, with the Chartreuse foothills contributing to significant elevation changes. Well-paved surfaces enhance the road cycling experience, catering to various levels of outdoor enthusiasts.
Last updated: June 26, 2026
4.7
(11)
237
riders
17.9km
00:48
180m
180m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
3.0
(1)
172
riders
27.6km
01:32
550m
550m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(2)
78
riders
44.7km
02:10
590m
600m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.5
(2)
73
riders
28.7km
01:35
610m
610m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
49
riders
43.6km
02:14
750m
750m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Small pass, easy climb from the north, great descent to the south.
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Restaurant always as extraordinary as ever, year after year, a sure bet
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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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In the immediate vicinity of Lake Paladru, you can rent a bicycle for the day, allowing you to enjoy the surrounding area on the road, or on the paths and trails.
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Here is the route for the ascent of the Col des Mille Martyrs starting from Saint-Nicolas-de-Macherin
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Here is the route for the ascent of the Col des Mille Martyrs starting from Saint-Geoire-en-Valdaine
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It's very busy in summer, especially on weekends.
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There are over 250 road cycling routes around Chirens, offering a wide range of options for different skill levels and preferences. You'll find everything from easy loops to challenging climbs.
Yes, Chirens offers several routes ideal for beginners. Approximately 36 routes are classified as easy, providing gentle terrain and scenic views without significant climbs. A good example is the Lake Paladru loop from Everest, which leads through the scenic shores of Lake Paladru.
For those seeking a challenge, the Chartreuse foothills near Chirens offer significant elevation changes. Routes like the Col des Mille Martyrs loop from Saint-Nicolas-de-Macherin and the Placette Pass – Gorges de Crossey loop from Voiron include notable ascents such as the Col de la Placette, providing demanding climbs and rewarding views.
Road cycling routes around Chirens often feature stunning natural beauty. You can enjoy the 'blue waters of Lake Paladru' and the surrounding 'hills of Valdaine'. The region is also home to the ecologically significant Chirens Marshes. Notable viewpoints include Croix des Cochettes View of Lac de Paladru, offering panoramic vistas.
While primarily known for its natural environment, Chirens also has cultural points of interest. You might encounter sites like the Priory of Our Lady of Gayet, an 11th-century Romanesque church, or the historic Château de Virieu in the vicinity. The Col des Mille Martyrs is also a significant landmark.
The komoot community highly rates road cycling in Chirens, with an average score of 4.6 stars from over 300 reviews. Cyclists often praise the diverse terrain, the picturesque views of Lake Paladru, and the well-paved surfaces. The mix of easy rides and challenging ascents towards the Chartreuse foothills is also frequently highlighted.
Yes, many road cycling routes around Chirens are designed as loops, allowing you to start and end at the same point. The Lake Paladru loop from Everest is a popular example, offering continuous scenic views around the lake.
The region's diverse landscape makes it enjoyable for road cycling across multiple seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. Summer is also popular, especially for routes around Lake Paladru, though some climbs might be more strenuous in warmer weather.
Yes, Chirens offers numerous road cycling routes within the 30-50 km range. For instance, the Pierre Chave Bridge – Miribel-les-Échelles Church loop from Saint-Nicolas-de-Macherin is a longer option at approximately 58 km, providing a substantial ride with significant elevation.
While specific cafes are not listed in the route data, the charming towns and villages around Chirens, particularly those bordering Lake Paladru, often provide opportunities for refreshments. The region is known for its welcoming atmosphere for outdoor enthusiasts, so you'll likely find places to stop and refuel.
Absolutely. The region is dotted with elevated areas that offer stunning vistas. The 'Col de la Placette' provides an elevated perspective of the landscape, and the Croix des Cochettes View of Lac de Paladru is a highly recommended stop for breathtaking views of Lake Paladru.
The terrain around Chirens is varied, characterized by the picturesque Lake Paladru and the rolling Valdaine hills. You'll encounter well-paved surfaces, gentle slopes around the lake, and more challenging ascents as you approach the Chartreuse foothills. This mix provides options for both leisurely rides and demanding climbs.


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