Tomogaura is a small fishing harbour in a narrow inlet and is part of the Iwami Ginzan World Heritage Site.In the 16th century it was one of three ports used to service the Mine and take out the mined silver. When the Tokugawa government took over the mine at the start of the 17th century it continued to be used to service the mines, but the silver was taken out overland to Onomichi on the