The closest place to Hora where one can swim is the quite lengthy beach of Hohlakoi. It was named after the large, smooth pebbles both in the sea and on the beach. The black color of the pebbles, which is due to their volcanic origin, is very impressive. The pebbles come from the erosion of the “pillow-lavas”, the age of which is over 160,000 years being the oldest rocks that can be found on the island. At the one end of the beach there is a cavity in the rocks and behind it some trees and bushes.