Old Croeserw consists of the older buildings and the large cemetery on the hill overlooking the A4107. New Croeserw, higher up the hill, consists mainly of post-war public housing, many of which are now private. A cluster of retail outlets including a post office, a former
Co-op supermarket, now family-run, and an older hotel-pub are also located in New Croeserw. There is also an industrial park, and a primary school. Croeserw is surrounded on all sides by
hills and
mountains: •
Rhiw Llech Mountain: North of Croeserw, meaning 'Slate Slope Mountain', rises to 390 metres above sea level. •
Gelli Mountain: North-East of Croeserw. Gelli means
Grove. The mountain takes its name from the nearby Gelli Farm. The mountain rises to 450m above sea level. •
Caerau Mountain: South-East of Croeserw. Caerau means 'forts'. The mountain takes its name from nearby
Caerau. The mountain rises to 556m above sea level. •
Foel Fawr Mountain: West of Croeserw, meaning 'Great Peak', rises to 347m above sea level. == History ==