4.5
(323)
1,943
hikers
163
hikes
Hiking around Vernioz, a commune in the Isère department, offers access to a blend of local natural features and the diverse landscapes of the wider Auvergne-Rhône-Alpes region. The area features notable sites such as the Jardin du Bois Marquis, an arboretum with varied groves and a large pond, and the historic Chapelle Saint-Mamert on a promontory. Hikers can explore agricultural plains, local forests, and picturesque ponds like the Étang du Grand Bois. Vernioz also serves as a gateway to the…
Last updated: July 1, 2026
4.5
(4)
25
hikers
7.88km
02:16
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
17
hikers
8.29km
02:16
120m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
8
hikers
6.73km
01:56
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
9
hikers
8.60km
02:27
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
3
hikers
14.8km
04:13
340m
340m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Public place, accessible from the side. It was in the 11th century, in a primitive Romanesque style, that this chapel was built on a property belonging to the order of Cluny. It is dedicated to Saint Mamert, one of the first bishops of Vienne, whose tomb is kept in the former church of the Abbey of Saint-Pierre in Vienne, now a lapidary museum. Around 470, Saint Mamert had instituted the Rogations in order to protect agriculture from the frosts: these were processions that took place during the 3 days preceding the Ascension. It is part of the popular tradition of the saints of ice with Saint Pancrace and Saint Servais (11,12 and 13 May).
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The pond of Grand Gois offers a very bucolic setting. It's a great gravel spot.
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Located on a promontory, it offers a view of the agricultural plains and, in the distance, of the Pilat massif.
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This 5.5 hectare botanical garden has been awarded the Remarkable Garden label. It received the 1st prize from the Société Nationale d'Horticulture de France in 2015. It is pure English in style and presents a fine collection of perennials, grasses and heathers.
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Natural curiosity in the forests of Revolet
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Beautiful work of Mother Nature at the bend of a path. May be a magical door accessing another world?
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There are over 160 hiking trails around Vernioz, catering to various fitness levels. These range from leisurely strolls to more challenging routes, with options for exploring local natural sites and accessing the wider Isère region.
Yes, Vernioz offers over 50 easy trails. A popular choice is the Bois Marquis Garden loop from Vernioz, which is 3.6 miles (5.7 km) long and takes about 1 hour 40 minutes, leading through the diverse plant collections of the Jardin du Bois Marquis. The Jardin du Bois Marquis itself offers easy walking loops, such as a 1.7 km route with minimal elevation gain, ideal for a relaxed outing.
For families, the easy walking loops within the Jardin du Bois Marquis are highly recommended. This remarkable garden offers a 1.7 km route with a modest 27m elevation gain, perfect for all ages. The Bois Marquis Garden loop from Vernioz is also a great option for a slightly longer family walk.
Yes, many of the trails around Vernioz are circular. Popular options include the Bois Marquis Garden – Saint-Mamert Chapel loop from Les Côtes-d'Arey, which combines nature and history, and the Étang du Grand Bois loop from Chalon, offering picturesque views around a large pond.
Vernioz offers a blend of natural beauty and historical sites. You can explore the extensive Jardin du Bois Marquis, an arboretum with 800 deciduous trees and 3,000 plant species, and a large pond. The historic Chapelle Saint-Mamert, situated on a promontory, offers views of agricultural plains and the Pilat massif. The Étang du Grand Bois is another picturesque spot, ideal for walks within the communal forest.
The trails in Vernioz are highly rated by the komoot community, with an average score of 4.5 stars from over 280 reviews. Hikers often praise the diverse landscapes, from arboretum paths and tranquil ponds to agricultural plains, and the accessibility to more rugged terrain in nearby regional parks. The variety of options for both easy family walks and more challenging routes is also frequently highlighted.
While specific regulations for each trail should always be checked, many natural areas in France, including those around Vernioz, are generally dog-friendly, especially if dogs are kept on a leash. The varied terrain, from open fields to forest paths, provides a good environment for walking with your dog. Always ensure you clean up after your pet.
While Vernioz itself offers moderate trails, its location provides excellent access to the more challenging terrain of the wider Isère region. Experienced hikers can explore the Chartreuse Nature Park, Vercors Regional Park, and the Belledonne Massif, which feature demanding high-altitude routes, significant elevation changes, and long-distance trails like the GR®9 and GR54.
The Isère region, including Vernioz, offers diverse natural environments that change beautifully with the seasons. Spring and autumn are generally ideal for hiking, with pleasant temperatures and vibrant landscapes. Spring brings blooming flora, while autumn showcases stunning fall colors. Summer can also be enjoyable, especially for early morning or late afternoon hikes to avoid the midday heat.
Yes, parking is generally available near popular trailheads and attractions in Vernioz. For instance, the Étang du Grand Bois is equipped with a picnic area and facilities, implying accessible parking. When planning your hike, it's advisable to check the specific starting point of your chosen route for detailed parking information.
Vernioz serves as a gateway to the extensive trail networks of the Isère department, which includes several significant mountain ranges and natural parks. From here, experienced hikers can access long-distance trails such as the "Traversée de Chartreuse" (GR®9), "Grand Tour des Ecrins" (GR54), and "Haute Traversée de Belledonne" (GR738), offering multi-day adventures in remote mountain environments.
The Étang du Grand Bois, a picturesque pond within the communal forest of Bossieu, is well-equipped for visitors. It features sanitary facilities, a fishing shelter, and a dedicated picnic area, making it a convenient spot for a day out in nature.


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