
Le Grand Tour de l'Isle Crémieu by bike (74km)! Between ViaRhôna and Voie Verte, connect the medieval cities of Quirieu and Crémieu. An epic journey between castles, marshes, Caves of the Balme and archaeological sites. Sporting level.
Live a total immersion in the heritage of Nord-Isère with this circuit of 74 km (difficult level), ideal for cycling athletes for the day or families roaming on two days.
A route with a thousand faces:
Medieval cities and the Green Way: From the Blue Valley, follow the Rhône to the perched city of Quirieu before crossing the secret marshes of L'Isle Crémieu. In Arandon, join the old railway track of the East of Lyon, transformed into a peaceful and secure greenway.
Heritage and History: Admire the castle of Serrières and the fortified house of Montagnieu. In Crémieu, let yourself be charmed by its castle Delphinal, its majestic halls and its fortified gates.
Natural Curiosities and Archaeology:
Stop over at Hières-sur-Amby for its Archaeological Museum.
Explore the mysterious universe of the Caves of the Balme (labyrinths and underground lake).
Over the water: Enjoy a magnificent view of the village of Indirectly and its two castles. Cross the Rhône towards L'Isle de la Serre (Espace Eau Vive) for a refreshing break before heading back to the Vallée Bleue, historic land of quarries.
Organizational Council:
In 1 day: Plan a lunch break at Trept, ideally located halfway.
In 2 days: Trept is a perfect step for an overnight stay, allowing to divide the effort and enjoy more visits (Caves, Museums, Cities).
A masterly loop where the history of the Dauphiné is revealed at each pedal stroke!
Office du Tourisme Les Balcons du Dauphiné - 24/10/2026
www.balconsdudauphine-tourisme.com/
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Adult: 9 to 93 € (Possibility to rent mountain bikes/MTVs with electric assistance for a duration ranging from 1 hour to 2 days (more on quotation).)
Child: 7 to 90 € (Possibility to rent muscle mountain bikes, or electric assisted mountain bikes for a duration ranging from 1 hour to 2 days (more on quote).).
Muscle bikes or electric-assist bikes for hire, from 1 hour to 2 days (or more on request).
Phone : 06 71 70 11 12
Email : contact@espace-bike.com
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https://espace-bike.com/location-reparation-velo/itineraires/
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Espace Bike - bicycle rentals
For a two-day tour, Trept is an ideal place to spend the night.
From the Vallée Bleue, follow the ViaRhôna cycle path upstream towards the hilltop medieval town of Quirieu.
As you move away from the river, you'll discover a landscape of marshland. You leave this wetland behind at Arandon and follow the former railway line of the eastern Lyon region, now converted into a greenway.
Along the way, the Château de Serrières and the Maison forte de Montagnieu are reminders of the area's history.
Continue on and discover a whole new world: the Grottes de La Balme. Bats, underground lakes and labyrinths await you. Continue along the river for a few kilometres.
After crossing the right bank, you'll have a magnificent view of Vertrieu, a small village with two castles, before crossing the Rhône again at the Villebois waterworks. You can take a recreational break at the Isle de la Serre leisure centre.
Next, follow the river on the left bank and return to the Vallée Bleue, a leisure area but also a place marked by the history of the quarrying basin.
Departure and return from the leisure center of the Blue Valley.
Plan, depending on your schedule and the weather: picnic/snack, sunglasses, bottle of water, and sunscreen.
The bikes are equipped with an anti-theft device, a repair kit and a roadbook. Wearing a helmet is strongly recommended and mandatory for children under 12 years old.
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