★ 2 · last edited Jul 1, 2020
Cayeux-sur-Mer
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This seaside resort (which also encompasses several natural areas) is famous for its long boardwalk lined with beach huts along the shore. It is also the terminus of the Baie de Somme narrow-gauge railway.
Overview of Cayeux
The seaside resort of Cayeux (which also encompasses several natural areas) is famous for its long boardwalk lined with beach huts along the shore. It is also the terminus of the Baie de Somme narrow-gauge railway.
Key facts
- Type de lieu: small town.
- Intérêt touristique: (worth seeing).
- Localisation: on the Picardy coast, in the Somme department.
- Distances:
- Heure locale: .
- Population: 2,569 inhabitants (2014).
- Superficie: 26.29 km².
- Altitude: sea level.
- Site internet: http://www.cayeux-sur-mer.fr
History of Cayeux-sur-Mer
What to see and do in Cayeux
Baie de Somme Steam Railway
This small tourist steam train runs seasonally between Le Crotoy and Cayeux via Saint-Valéry, offering a unique way to explore the Baie de Somme.
This small tourist steam train runs seasonally between Le Crotoy and Cayeux via Saint-Valéry, offering a unique way to explore the Baie de Somme.
The Hourdel
This pleasure-boat harbour hamlet in Cayeux, at the entrance to the Bay of Somme, is known for seal watching in the surrounding area.
This pleasure-boat harbour hamlet in Cayeux, at the entrance to the Bay of Somme, is known for seal watching in the surrounding area.

Beaches of Cayeux
The town has a pebble beach with a long 2-kilometre boardwalk lined with 400 colourful beach huts that give the place a certain charm. Other beaches as you head towards Saint-Valéry.
The town has a pebble beach with a long 2-kilometre boardwalk lined with 400 colourful beach huts that give the place a certain charm. Other beaches as you head towards Saint-Valéry.
In the surrounding area

Bay of Somme
This nature reserve offers stunning landscapes and a haven for numerous birds and even seals. The area is tourist-friendly, with activities like hiking and canoeing. In season, the site can be explored via the Bay of Somme tourist train, which runs from Le Crotoy to Cayeux. It’s also where the traditional "hut hunting" activity takes place.
This nature reserve offers stunning landscapes and a haven for numerous birds and even seals. The area is tourist-friendly, with activities like hiking and canoeing. In season, the site can be explored via the Bay of Somme tourist train, which runs from Le Crotoy to Cayeux. It’s also where the traditional "hut hunting" activity takes place.
Climate and weather in Cayeux
The town has a "changeable" oceanic climate, mild and humid, with relatively low temperature variation—neither too cold in winter nor too hot in summer. Rainfall is spread throughout the year. The best time to visit is from late May to mid-September.
Sea temperature throughout the year
| Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cayeux | 7 | 7 | 7 | 9 | 11 | 13 | 16 | 17 | 16 | 14 | 11 | 9 |
Transport
Getting there
Getting around
Accommodation
Eating
Useful addresses
Further information
Must-see & highly recommended
Bay of Somme
★★★★ This nature reserve offers stunning landscapes and a haven for numerous birds and even seals. The area is tourist-friendly, with activities…
Worth a look / Other
Baie de Somme Steam Railway
★★ This small tourist steam train runs seasonally between Le Crotoy and Cayeux via Saint-Valéry, offering a unique way to explore the Baie de…
Hâble d'Ault
★★ This is a protected coastal area of marshes and meadows where many bird species nest.
Beaches of Cayeux
★★ The town has a pebble beach with a long 2-kilometre boardwalk lined with 400 colourful beach huts that give the place a certain charm…
The Hourdel
★ This pleasure-boat harbour hamlet in Cayeux, at the entrance to the Bay of Somme, is known for seal watching in the surrounding area.