Cornton Vale is a women's prison in Stirling, operated by the Scottish Prison Service. Built in 1975, Cornton Vale comprises a total of 217 cells in its 5 houses. It took only convicted women and girls from 1975 until 1978. In 1978 Parliament passed the necessary legislation to allow females to be held there on remand. Lady Martha Bruce was the first governor. Cornton Vale now houses almost all female adults and young offenders in Scotland. In April 1999, the separation of adults and young offenders was attained. It is expected to close by 2020, to be replaced by a number of smaller regional units.