STONE PATH OF OIA Description: Poster, published from an original watercolor. Image Size: 35.5" x 27.5". Oia, (e'-ah) is Santorini's most fascinating villiage of cliff dwellings. Perched high above the caldera on dramatic red volcanic cliffs, the terraced, white-washed caves soak up the early morning sun. Winding stone pathways provide the only access to the dwellings. .