Cliff at Étretat, the Porte d' Aval

Cliff at Étretat, the Porte d'Aval (1869) at the Norton Simon Museum depicts the most celebrated geological feature of the Normandy coast — the Porte d'Aval (Downstream Gate), a natural arch in the white chalk cliffs that created one of the most dramatic coastal formations in Europe. Courbet was among the first painters to treat the Étretat cliffs as serious subject matter rather than picturesque backdrop, and his paintings from the late 1860s established a visual language for this landscape that later painters — most famously Monet in the 1880s — would engage with and transform. The Porte d'Aval's arch, the adjacent needle of the Aiguille, and the Manneporte further along the cliff were the landmarks Courbet returned to most frequently. His treatment emphasized the geological materiality of the chalk — its massive scale, its brilliant white against grey-green sea, and its slow sculptural transformation by wave erosion — over the site's scenic picturesque reputation.

The chalk cliff face is rendered with Courbet's most direct palette knife technique — broadly applied whites and pale greys that convey both the cliff's scale and the specific texture of chalk: less rough than limestone, almost smooth in places but fractured and crumbling at the base where wave erosion is most active.