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Running Trails
France
Auvergne Rhône Alpes
Vienne

Grenay

The best running trails around Grenay

4.3

(228)

5,141

runners

360

runs

Jogging around Grenay offers diverse routes through natural landscapes in the Isère department of France. The region features areas like La forêt du Ballier, providing trails amidst oak trees, and Le bois de Montmoiron, known for its morainic blocks and panoramic views of the Alps. Elevated points in the area offer scenic vistas, making for varied running experiences.

Best jogging routes around Grenay

  • The most popular jogging route is Running loop from Grenay, a 3.2 miles (5.1 km) trail…

Last updated: June 22, 2026

22

runners

#1.

Running loop from Grenay

5.09km

00:32

40m

40m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

7

runners

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

5.0

(3)

6

runners

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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Popular around Grenay

Conquering history – in the footsteps of Charles IX (GR 422)

MTB Trails around Grenay

Cycling around Grenay

Road Cycling Routes around Grenay

Hiking around Grenay

Gravel biking around Grenay

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Conquering history – in the footsteps of Charles IX (GR 422)

Hiking Collection by

Totosupertramp (Thomas Boury)

Tips from the Community

𝐺𝑖𝑙𝑏𝑒𝑟𝑡 & 𝑆𝑖𝑚𝑜𝑛𝑒 🍁🍄
December 9, 2025, Château de Fallavier

Cool ruins! We really like them. 🤩

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Manu
December 18, 2024, Château de Fallavier

Fallavier Castle is an old fortified castle, part of the heritage.

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0

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Can be seen from afar and a detour is worthwhile here.

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1

0

An obligatory passage point during training

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A magical place for maneuverability on mountain bikes on old stones.

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1

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very nice a very technical part which allows the reception owner to work.

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19th century neo-Gothic church, but nevertheless interesting. Quite quiet place.

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Wiro L.
September 12, 2020, Château de Fallavier

Fallavier Castle is in the parish of St Quentin Fallavier. Built on the western part of the Relong hill (344m), it rises above the villages of St Quentin, la Verpillière and Villefontaine. The site bears witness to more than 1000 years of history. This strategic location was exploited during the war between the Savoy and the Dauphiné (1250-1355). A document dated from 1280 indicates the construction work to extend and fortify the castle. The castle forms a real fortress consisting of two walls and a mighty keep. While more emphasis was placed on the defensive aspect, convenience was not left aside. There are a total of 3 rooms, a kitchen, a fountain, a large hall and a chapel. After France acquired the building (in the second half of the 14th century), the owners with honorable names changed several times. The castle fell into disrepair before the 17th century. Century. It was not until 1969 that the owner, Mr. Mérard, made the decision to rebuild the castle and bring the site to life. The castle has been owned by the municipality since 1992. St-Quentin-Fallavier strives to evaluate and discover one of the most important landmarks of the local cultural heritage.

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Frequently Asked Questions

How many running routes are available around Grenay?

Grenay offers a wide variety of running routes, with over 370 different options to explore. These include routes for all skill levels, from easy jogs to more challenging trails.

What kind of landscapes can I expect on the running trails near Grenay?

Runners in Grenay can enjoy diverse natural landscapes. You'll find dense woodlands like La forêt du Ballier, which offers trails amidst oak trees, and Le bois de Montmoiron, known for its unique morainic blocks and magnificent panoramic views of the Alps from elevated points.

Are there any easy running routes for beginners or a quick jog?

Yes, Grenay has several easy running options. For a gentle run, consider the Running loop from Heyrieux, which is about 3.8 km long. Another accessible option is the Running loop from Saint-Laurent-de-Mure, covering approximately 4.7 km.

What are some challenging running trails in the Grenay area?

For those seeking a challenge, the region offers routes with more significant elevation gain and varied terrain. The Fallavier Castle – Château de Fallavier loop from Grenay is a difficult 10.6 km trail that takes about 1 hour 10 minutes to complete. Additionally, the 'Tout in haut de ch'terril' loop, starting from Bully-Grenay, presents a demanding 13.5 km route with 170m elevation gain, or a shorter 9.48 km option with 130m elevation, requiring good physical condition.

What do other runners enjoy most about the trails in Grenay?

The running routes in Grenay are highly regarded by the komoot community, with an average score of 4.3 stars from over 190 reviews. Runners often praise the varied terrain, the quiet woodlands, and the scenic viewpoints overlooking the Alps, which make for a rewarding experience.

Are there any circular running routes around Grenay?

Many of the running routes in Grenay are designed as loops, offering convenient circular paths. For example, the popular Running loop from Grenay is a 5.1 km moderate trail, and the St-Laurent church loop from Grenay provides a moderate 9.8 km circular path through the local countryside.

What natural features or landmarks can I see along the running routes?

While running around Grenay, you can encounter several interesting features. The Bois de Montmoiron is notable for its morainic blocks, including the large 'Pierre Jacques'. You might also pass by historical sites such as the Château de Fallavier or enjoy views of the Lake Saint-Quentin-Fallavier. The region also offers stunning panoramic views of the Alpine chain from various elevated points.

Are there any routes that offer great viewpoints?

Absolutely. The Bois de Montmoiron is particularly renowned for its magnificent views of the Alps, especially beautiful in the late afternoon. Many elevated sections of trails throughout the Grenay area provide scenic vistas, allowing runners to enjoy the picturesque surroundings of the Isère department.

What is the best time of year to go running in Grenay?

Grenay's natural landscapes make it suitable for running throughout much of the year. While specific seasonal conditions can vary, the woodlands and trails are generally enjoyable in spring and autumn with pleasant temperatures. Summer offers longer daylight hours, and winter can provide a unique experience, though some trails might be muddy or require appropriate footwear depending on recent weather.

Are there any running routes that pass by a lake or water feature?

Yes, some routes in the vicinity of Grenay offer views of water features. For instance, the area includes the Lake Saint-Quentin-Fallavier and the Marsa Pond Sensitive Natural Area, which can be enjoyed from nearby trails.

Can I find running routes with varied difficulty levels in Grenay?

Yes, the running network around Grenay is well-suited for all abilities. There are 36 easy routes for a relaxed pace, 274 moderate routes for a good workout, and 60 difficult trails for experienced runners looking for a challenge. This variety ensures there's something for everyone.

Most popular routes around Grenay

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