Felindre water treatment works, with covered reservoir, is located 600m south-east of Felindre at Waun Y Garn-Wen. The Lower Lliw reservoir (NPRN: 32348) is 1km north-east of the treatment works.

Photographed duirng aerial reconnaissance by RCAHMW on 17th November 2011.
L. Osborne, 20th March 2013.