sentakuiwa

sentakuiwa, originally uploaded by vibromama.

Further down the coast, near the town of Hidakatsu (the second most important port in Tsushima, also with fast ferry service to Fukuoka and even Korea), is the Renkon-Sentaku-Iwa, or Washboard Rock. One of several such rocks scattered around the archipelago, it is the product of marine erosion of sedimentary rocks whose layers have been tilted over the eons by tectonic forces.