Description

Shimabara Castle, also known as MoritakeCastleand Korai Castle, is a Japanese castle located in Shimabara,HizenProvince (present day Nagasaki prefecture). This five-storywhitebuilding stands in stark contrast to the black KumamotoCastle inneighboring Kumamoto Prefecture.
Shimabara Castle is a flatland castle, located between AriakeBayand Mount Unzen. The outer moats, some 15 meters deep andbetween30-50 meters wide, extended 360 meters east-west and 1260metersnorth-south, with the enclosed area divided into threebaileys. Thewalls extended for 3900 meters and had 16 yagura ofvarious sizesat key points. The main donjon had five stories, and aheight of 33meters, and was connected to two secondary keeps, eachwith threestories. In terms of scale, it was far larger than normalfor adaimyo with revenues of only 40,000 koku .