Domaine de Joinville
The lighthouse and shingle beach at Le Tréport

around us

Coastal escapes & Norman history

The Domaine de Joinville opens onto an exceptional region. From the white cliffs of Le Tréport to the colourful façades of Mers-les-Bains, give in to the wild charm of the Alabaster Coast and the light of the Baie de Somme.

explore the coast

the essentials

Four gems within reach

Each neighbouring destination reveals a character of its own, shaped by the tides and by late-nineteenth-century elegance.

The entrance to the Le Tréport funicular, cut into the chalk cliff
The lighthouse at the end of the jetty at Le Tréport
Le Tréport and its Saint-Jacques church overlooking the seafront

an exceptional seaside town

Le Tréport & its giant cliffs

Set against the highest chalk cliffs in Europe, Le Tréport lives to the rhythm of its working fishing harbour, its unpretentious seafood restaurants and its bracing sea air.

Take the historic funicular — free of charge, cut straight into the rock — up to the cliff top for a striking view where the blue of the sea meets the Norman horizon.

discover Le Tréport
Belle Époque villas in timber and coloured brick, Mers-les-Bains
Belle Époque villas with colourful façades, Mers-les-Bains
Notre-Dame de la Falaise

architecture & seaside poetry

Mers-les-Bains and its Belle Époque quarter

Step back in time along the Esplanade du Général Leclerc, lined with listed villas whose façades are adorned with delicate ceramics and colourful balconies.

discover Mers-les-Bains
The Louis-Philippe château-museum in Eu and its yew-lined drive
The collegiate church of Notre-Dame and Saint-Laurent in Eu
A cobbled, flower-filled lane in the old centre of Eu, terraces in summer

royal heritage & hidden history

The town of Eu, home of Louis-Philippe

A short walk from the estate, the Château d’Eu and its handsome wooded park tell the private story of the last King of the French, Louis-Philippe.

Explore this red-brick architectural gem restored by Viollet-le-Duc, admire the stately Collégiale Notre-Dame and wander the cobbled lanes of one of the “Plus Beaux Détours de France”.

discover the town of Eu

grand site de france

The Baie de Somme, a wild sanctuary

Where the river meets the Channel lies a magical estuary of shifting light — an endless landscape of water, sand and migratory birds.

Harbour seals on a sandbank in the Baie de Somme

The seal colony

France’s largest harbour-seal colony lives here. Watch them from a respectful distance with a naturalist guide.

Migrating birds at the Marquenterre park

The Marquenterre park

A haven for thousands of migratory birds at the heart of a remarkably rich dune ecosystem.

The Baie de Somme steam train

The steam railway

Step back in time aboard the historic steam train between Le Crotoy and Saint-Valery-sur-Somme.

continue the experience

Living at the Domaine de Joinville