Arrive in Vannes, where you can explore the medieval town with its half-timbered houses, ramparts and cobbled lanes.
Overnight in a 3*-star hotel in Vannes.
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The Gulf of Morbihan, a true inland sea in Brittany, offers an exceptional area to explore on foot. Its indented shores, where the famous customs officers' path GR®34 winds between land and sea, create landscapes whose light changes with the tides. The archipelago of islands and islets scattered across the gulf punctuates the boat crossings and invites exploration.
Our concept for this holiday takes an original approach: each day, a water bus crossing takes you to a new island or peninsula in the Gulf of Morbihan. This format allows you to discover a variety of settings, from the coastal paths of Île d’Arz to the sunken lanes of Île-aux-Moines, while getting a feel for everyday island life.
Designed as one of our self-guided walking holidays in France, here in Brittany, this itinerary lets you walk at your own pace, guided by our detailed route notes. An ideal way to immerse yourself in the tranquillity of this unspoilt natural setting, following the waterways and waymarked paths.
Arrive in Vannes, where you can explore the medieval town with its half-timbered houses, ramparts and cobbled lanes.
Overnight in a 3*-star hotel in Vannes.
Boat crossing to Port-Navalo (with your luggage), at the entrance to the gulf. Drop your bags at your hotel before setting off on your first walk, with superb panoramic views of the islands.
Overnight in a 2*-star hotel in Port-Navalo.
Travel by taxi or bus to the landing stage at Kerners. Return boat trip to Île-aux-Moines, the largest island in the gulf. Known as “the pearl of the gulf”, it will charm you with its low fishermen’s houses and lush vegetation. Beautiful viewpoints and archaeological monuments round off your visit. Walk back to the hotel from Kerners.
Overnight in a 2*-star hotel in Port-Navalo.
A short boat crossing to the village of Locmariaquer for a walk that takes you past numerous megalithic sites, including the famous “Table des Marchands”. Return to the hotel to collect your luggage before the boat crossing back to Vannes
Overnight in a 3*-star hotel in Vannes.
You will reach the village of Séné along a woodland path. There you will find the famous Sinagos, traditional sailing boats with red sails. The walk then takes you through the nature reserve established in the former salt marshes. Continue to the Moustérian peninsula, with superb panoramic views of the islands in the gulf. You will have the opportunity to stop at one of the many oyster farms along the way before taking the boat to Vannes.
Overnight in a 3* hotel in Vannes.
Boat crossing to Île d’Arz, the “Island of Captains”. This island is a delight, with intriguing little paths and surprising discoveries such as the tidal mill. Enjoy the fine sandy beaches too before the return crossing to Vannes.
End of the trip.
We may occasionally need to make minor changes to the itinerary shown, particularly due to hotel availability. You can trust that these changes are always made with your best interests, safety and comfort in mind!
Depending on boat schedules, you will spend 2 or 3 nights in Port-Navalo (the walks remain the same).
Booking dates are not currently available for this trip. Please check back soon or contact us to plan your journey.
Availability update: Departures and prices for the 2027 season have not yet been confirmed. This trip cannot currently be booked for 2027. Please contact Grand Angle for an update before arranging travel.

Estelle Torterotot
Travel Advisor
Easy to moderate. 13 to 22km per day. The walking trip is suitable for children aged 10 and over.
You will take your luggage with you on the boat during the crossings Vannes > Arzon > Vannes). You will leave your luggage at the hotel before setting off on your walk. Bring a backpack for the things you need during the day.
From 1 person.
6 days, 5 nights, 5 days of walking.
In 2* and 3* hotels on a bed and breakfast basis.
In France, more and more hotels and guesthouses are choosing not to have an official rating, including establishments that were still rated just a year or two ago. This does not mean their quality has declined—far from it. Many guesthouses offer charming accommodation.
If we indicate, for example, a comfort level of “3* or equivalent”: this means that the establishment may not have an official rating, but offers a standard of comfort comparable to a 3* hotel.
The stay is on a bed and breakfast basis; dinners and lunches are not included.
Please let us know about any food allergies or special dietary requirements when booking; we will do our best to adapt your meals.
On Day 1, in the late afternoon or evening, in Vannes.
On Day 6, in the late afternoon or evening, at the Vannes ferry terminal.
Getting to Vannes
You can check train timetables and fares at https://www.sncf-connect.com/
Plan your route on Via Michelin
Parking at the Vannes ferry terminal (follow signs for Parc des expositions, Allée Loïc Caradec).
The crossings use scheduled and seasonal services. You will travel on boats operated by several companies. In exceptional circumstances, crossings may be delayed or cancelled at any time for safety reasons.
A number of our trips offer opportunities to swim along the route or at the end of the day. It would be a shame to miss out. However, we emphasise that you alone must decide whether it is appropriate to swim; any swimming is therefore your own responsibility and at your own risk.
Since 2012, Grand Angle has been a member of ATR, the leading association for more responsible tourism. We design our trips—on foot, by bike and on snow—to invite everyone to discover the world differently: with curiosity, respect and kindness.
As a member of the board of directors since 2018, we actively help the sector adopt more meaningful practices. In practical terms, we are committed to:
We also share the values of the traveller’s ethical charter, which encourages everyone to take simple steps to protect the places they visit and foster rewarding encounters.
Since 2025, Grand Angle has held Travelife Partner status, an international label that certifies our responsible environmental, ethical and sustainable management practices, both within our company and in our work with partners and the organisation of our trips.
This label, the second level of a rigorous international certification scheme, recognises our concrete actions in support of responsible tourism. We are actively working towards the next level, Travelife Certified, in line with our sustainable development policy
Responsible tourism
Since 2012, Grand Angle has been a member of ATR, the leading association for more responsible tourism. We design our trips – on foot, by bike and on snow – to invite everyone to discover the world in a different way: with curiosity, respect and kindness.
As a member of the board of directors since 2018, we actively help the sector adopt more meaningful practices. In practical terms, we ensure:
We also share the values of the traveller’s ethical charter, which encourages everyone to take simple steps to protect the places they visit and foster rewarding encounters.
Since 2025, Grand Angle has held Travelife Partner status, an international label that certifies our responsible environmental, ethical and sustainable management practices, both within our company and in our work with partners and the organisation of our trips.
This label, the second level of a rigorous international certification scheme, recognises our concrete actions in support of responsible tourism. We are actively working towards the next level, Travelife Certified, in line with our sustainable development policy
In this section, you will find links to products from our partner Alpinstore, a French online retailer specialising in outdoor equipment, based in Annecy.
For carrying your belongings
Discover how to pack your hiking backpack properly in our magazine.
For hiking
For maximum comfort, choose a layered clothing system: warm base layers (leggings + top) such as “Carline” or “Capilene” (hollow fibres that wick away perspiration) + a sweatshirt or fleece jacket + a mountain jacket and overtrousers with a waterproof, breathable membrane (such as “Gore-Tex” or equivalent) for bad weather. As a general rule, except in hot climates and countries, avoid cotton, which holds moisture close to the body (and is slow to dry), and opt for suitable synthetic fabrics instead.
Please note: synthetic technical clothing performs very well. New merino wool clothing is also available; it performs very well, is comfortable to wear and has the advantage of resisting sweat odours!
For your lunchtime picnic
For protection from sun and rain
After your walk
You can also find these tips in our article #“what to take on a hike”.
This list is intended as a guide and should be adapted to your trip and the season in which you travel.
Country: France
Capital: Paris
Information about the Gulf of Morbihan
“Mor Bihan”: little sea in Breton
12000 hectares of Atlantic waters sheltered from the swell in southern Brittany, the Gulf of Morbihan is a true little inland sea. A magical place where sea, land and sky blend into ever-changing, unusual landscapes. The Gulf of Morbihan belongs to the Most Beautiful Bays in the World Club.
The “Mor-Bihan”, meaning “little sea” in Breton, was flooded by the Atlantic several thousand years ago, after the rivers had already carved out their beds. This explains why the ocean reaches so far inland towards Vannes and Auray through characteristically Breton drowned river valleys, surrounding former hills to create a true archipelago: Île aux Moines, Île d’Arz and countless islands and islets, rocky or wooded, sometimes home to a fishing hamlet or simply flocks of birds.
Only a one-kilometre-wide channel between Port-Navalo in Arzon and Locmariaquer separates the “Mor-Bihan” from the ocean. Vannes, at the innermost end of the Gulf of Morbihan, is 25 kilometres from the open sea »
The region you will visit
Vannes Tourist Office
Tel: 0297472434
Country calling code for France when calling from abroad: +33.
No time difference: GMT +1.
A temperate oceanic climate influenced by sea currents and winds. Temperatures vary little between day and night or between seasons.
IGN Top 250921 OT maps: Vannes / Gulf of Morbihan
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★ ★ ★ ★ ★ Comment sent by Cathy in JuneVery gentle and relaxing!
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