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If you’re lucky enough to visit Nantes for a weekend or a few days, there’s bound to be a defining moment during your visit: the moment when you let yourself be guided by the city’s central theme—a green line. Literally.
Discreet yet unbroken, this green line painted on the ground winds through the city, connecting neighborhoods and inviting you to wander without a second thought. Above all, it changes the way you explore. This line is the A Trip to Nantes. An artistic journey designed as a guiding thread through the city, connecting historic monuments, contemporary artworks, and cultural venues. But above all, it plays a far more interesting role: it becomes a a gateway to understanding Nantes as a cultural city. Because following this route isn’t just about getting from one place to another. It’s about understanding how the city has been built, transformed, and reinvented around culture…
What is the Green Line of the Voyage à Nantes? It is a painted path on the ground that connects more than 70 artistic and heritage sites over a distance of more than 20 km across the city. Created in 2011, it transforms Nantes into an open-air museum.
Where should I start? Anywhere. But the most convenient entry points are the Château des Ducs de Bretagne, the train station (on the Jardin des Plantes side), and Île de Nantes.
How long does it take to follow it? The entire route takes 1 to 2 days to complete. You don't have to do the whole thing: you can follow it for a few hundred meters and pick it up again later.
Is there a fee to access the course? No, the Green Line is free and accessible at any time. Some stops (museums, Machines de l'île) require an admission fee.
The Green Line is a painted path on the ground that runs the length of Nantes, connecting the key stops along the city’s artistic route. Discreet yet continuous, it lets you explore one discovery after another without a map or an app. And best of all, it completely changes the way you explore the city!
Founded in 2011, the Trip to Nantes has gradually established itself as a defining initiative that goes far beyond a summer event. Its goal is to make art accessible to everyone by integrating it directly into public spaces.
What sets this route apart is the way the artworks are integrated into the city rather than housed in dedicated venues. They interact with one another, with the spaces they occupy, and with passersby. The city itself becomes an artistic journey.
What really sets this route apart is how it adapts to your pace. You can follow it for a few hundred meters, then pick it up again further on; you can use it to structure your day, or simply let it inspire you. There is no mandatory starting point, nor is there a set direction.
This flexibility completely transforms the experience: we move away from a “streamlined” tour and toward a freer, more intuitive exploration, where we accept that we won’t see everything but will feel it more deeply.
The journey of the Trip to Nantes stretches over 20 kilometers across the city. It connects more than 70 stages, including works of art, monuments, museums, and cultural sites. Together, they form what the city calls a “scattered monument”: a unique journey in which each stop is part of a whole. The The full itinerary can be found here.
© levoyageanantes.fr
This is undoubtedly one of the most interesting aspects: you can start anywhere. That said, some places are particularly good places to start:
And that’s exactly what makes the experience so enjoyable: it adapts to your own pace of exploration.
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To understand Nantes today, you have to look back at its past. Port and industrial city For a long time, it was shaped by its maritime activities and shipyards. When the shipyards began to decline, the need for economic restructuring became apparent.
Rather than erasing this history, Nantes has chosen to transform it. Former industrial sites have been redeveloped, the redesigned waterfronts, and culture has become a key driver of this transformation.
The Île de Nantes is the most striking example of this: a constantly evolving area where industrial heritage and contemporary creativity coexist.
The Îles de Nantes and its machines - © Noëlie Laloyaux
What stands out in Nantes is the prominent role culture plays in public spaces. It is not confined to a few institutions or an initiated audience. It is woven into everyday life, visible on the streets, in parks, and along the riverbanks. A work of art might appear on a street corner, an installation might blend into the landscape, or a building might itself become a work of art.
The Trip to Nantes embodies this approach, but it does not sum it up. Many cultural venues (museums, galleries, repurposed brownfields, hybrid spaces, etc.) are part of this movement.
The Castle of the Dukes of Brittany is a perfect example of this coexistence: a 15th-century historic monument, it now houses a history museum that chronicles the city’s major transformations.
The magnificent Château des Ducs de Bretagne in Nantes - © Noëlie Laloyaux
The Pommeraye Passage, with its 19th-century Neo-Renaissance architecture, also continues to thrive as a place for shopping and strolling, without becoming merely a museum.
At the same time, the contemporary art is directly integrated into the urban landscape. The works of the Trip to Nantes are not confined to museums: they are installed on the streets, along the riverbanks, and in parks. Some are monumental, others more understated, but all contribute to the idea of a city transformed into a permanent exhibition space.
On the Île de Nantes, The Machines The island's other projects also perfectly illustrate this approach, transforming a former industrial site into a space for artistic experimentation.
The Machine Gallery - © Noëlie Laloyaux
Some neighborhoods, such as Bas-Chantenay, are still undergoing major changes. They reflect a city that continues to evolve, transform, and reinvent itself. And perhaps that is what makes Nantes so unique: its ability to never stand still.
Another defining feature of Nantes is its ability to offer a continuous cultural program. Temporary exhibitions, events, pop-up installations… The city evolves with the changing seasons. Some works appear, others disappear, making every visit unique. You don’t visit Nantes just once: you come back, and you discover something new.
As you make your way along the route (and its detours), you’ll pass through one neighborhood after another, each with its own distinct character. The Bouffay neighborhood evokes the spirit of Nantes medieval, with its narrow streets and lively atmosphere. The Île de Nantes reflects the transformation contemporary of the city, between redeveloped brownfields and new uses. The the banks of the Loire offer a more open space, ideal for strolling and contemplation.
The House in the Loire - © Noëlie Laloyaux
The Green Line serves primarily as a wayfinding system. It helps you easily find your way around the city and explore one place after another without needing a map or an app. But it doesn’t claim to show you everything.
A significant part of Nantes’ cultural richness lies just outside the main tourist route. If you take the time to step off the beaten path, you may stumble upon places that are just as interesting—sometimes more low-key, but essential to understanding the city.
For example, the Nantes Museum of Art, located just a stone's throw from the train station, is well worth a visit for its collections spanning from the 13th century to contemporary art, housed in a building that blends classical architecture with a modern extension.
A little further on, the FRAC of the Pays de la Loire (in Carquefou, accessible by public transportation) offers a program focused on contemporary, often more experimental, works.
On a different note, the A Unique Venue (even though it’s close to the trail) serves as a true cultural hub, featuring exhibitions and performances, as well as living spaces where you can simply hang out.
The summit of Le Lieu Unique - © Noëlie Laloyaux
You can also go as far as Stereolux, on the Île de Nantes, which blends contemporary music, digital arts, and hybrid creations, or explore more alternative venues like Pol’n, a socially conscious artistic third place.
And then there are all those galleries, these workshops, these temporary spaces which aren’t always highlighted but play a full part in the city’s cultural vibrancy. Deep down, that might be the real secret: the green line gives you a direction, but it’s by allowing you to step off it that you discover the full richness of Nantes’ cultural scene.
Yes. The green line is permanently marked on the ground, and the outdoor sections of the trail are accessible year-round. Some indoor or temporary installations may have specific hours or operating periods. The summer schedule (July–August) is the busiest.
Following the Green Line is completely free. Some stops require an admission fee: the Castle of the Dukes of Brittany (museum admission), Les Machines de l'île, or certain affiliated museums. You should budget between €10 and €15 for the main attractions that charge admission.
The entire route is over 20 km long and connects more than 70 stops. You can cover a good portion of it in a single day, but it’s best to set aside two days so you’re not rushing and can enjoy each location. You can also get around by bike or public transportation for the longer stretches.
Le Voyage à Nantes offers a downloadable map and a mobile app that pinpoints each stop along the route. That said, the green line on the ground is enough to help you find your way around the busiest areas without the app.
Les Machines de l'île is an artistic and mechanical attraction located on the Île de Nantes, on the former shipyard site. Inspired by the worlds of Jules Verne and Leonardo da Vinci, they feature the famous Grand Éléphant (a 12-meter-tall mechanical sculpture that takes visitors for a ride) and Le Carrousel des Mondes Marins. It is one of the most spectacular stops along the route.
Yes, the route is very family-friendly. The public art installations are accessible without a ticket, and attractions like Les Machines de l'île are especially popular with children. The self-guided format, with no set itinerary, is well-suited for young children.
Following the green line of the Voyage à Nantes means embracing a different way of exploring a city, allowing yourself to be guided while retaining your freedom, and discovering a city where art is everywhere. But it also means understanding that this line is just a starting point. Because Nantes is more than just a route: it’s a city to explore, to experience, and to rediscover with every visit.
👉 See also: our comprehensive guide to discovering What to do in Nantes in 3 or 4 days (ready-made itinerary) :
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This article was produced in partnership with Le Voyage à Nantes. To plan your trip and explore the entire art trail, visit levoyageanantes.fr !
This guide is produced in partnership with the tourism office:
Issue du monde de la communication et des médias, Sophie est Responsable éditoriale chez HOURRAIL ! depuis août 2024. Elle est notamment derrière le contenu éditorial du site ainsi que La Locomissive (de l'inspiration voyage bas carbone et des bons plans, un jeudi sur deux, gratuitement dans ta boîte mail !).
Convaincue que les changements d’habitude passent par la transformation de nos imaginaires, elle s’attache à montrer qu’il est possible de voyager autrement, de manière plus consciente, plus lente et plus joyeuse. Son objectif : rendre le slow travel accessible à toutes et tous, à travers des astuces, des décryptages et surtout, de nouveaux récits.
