(Arcaishon in occitan) is a popular bathing location. It has a fine
beach, and a mild climate said to be favourable for invalids suffering
from pulmonary complaints.
is known for the "Arcachonnaise", the local name for an Arcachon villa,
which is the architectural style of many of the older houses built
there. It is a type of Victorian architecture, and was criticized for
generations, but is now considered to be charming and deeply human.
southern entrance from the Atlantic ocean, Arcachon Bay is crowned by
Europe's largest sand dune, the Dune de Pyla (or du Pilat), nearly 3
kilometres long, 500 metres wide, reaching 107 metres in height, and
moving inland at rate of 5 metres a year.