It is managed by the Cwm Taf University Health Board.

The hospital, which was designed by William Martin and John Henry Chamberlain in the Gothic Revival style using a linear corridor layout, opened as the Glamorgan County Lunatic Asylum in November 1864.

[1][2] A new low-secure unit, known as Taith Newydd ("New Journey"), was built on the site in 2014.

[1] In 2022 Cadw designated the hospital grounds at Grade II on its Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales.

Its listing record notes the gardens' historic importance as a rare, and largely intact, example of the "designed gardens and grounds of a mid-nineteenth century asylum landscape.