(Arcaishon in occitan) is a popular sun bathing location. It has a fine
beach, and a mild climate said to be favourable for disabled people suffering
from pulmonary illnesses.
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 typical Victorian architecture, and was criticized for
generations, but is now considered to be charming and deeply human.
At its 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.