The village is situated next to the Garth Mountain, high above the River Taff. It can be reached from junction 32 of the M4 motorway, then A470, then via Heol Goch, a hill flanked by a quarry and nature reserve. Alternatively, Church Road provides access from Llantrisant Road near St Fagans. Other approaches are from Creigiau and Gwaelod-y-Garth.
The village centre contains a general store which includes a Post Office, delicatessen, hairdressers, doctors, a veterinary practice and butchers. There is also the Acapela Studio, a concert hall and recording studio. The building itself is converted from the former presbyterian Capel Horeb. Opposite Acapela is the Lewis Arms public house. The focus of older buildings in the village around the King's Arms pub and St Catwg's Church, at the lowest point of the village. Along with St Catwg's Church and its lychgate, the King's Arms is a Grade II Listed Building. Originally a seventeenth century copyhold farm called Cae Golman, the King's Arms became established as a public house in the eighteenth century. In the lounge bar, can be found a fireplace with chamfered beam, dated 1711.
Sport in the village is centred on the Pentyrch Rugby Football Club. There is also a cricket pitch and other facilities at the club. Pentyrch Rangers football club is based in the village. The club has nearly 200 registered players and runs 10 junior and mini football teams in the Cardiff and District League.
Other amenities include a village hall and primary school. The village has some art on display, including a mural situated on the green on High corner.
In 1993, Pentyrch hosted its first National/Sunday League Cricket Match, as Glamorgan lost to Northamptonshire, becoming the country's smallest village to do so.
- Lucie Jones, singer and model
- Robin Sowden-Taylor, rugby player, raised in Pentyrch
- Craig Williams MP, lives in Pentyrch and served as Cardiff City Councillor for Pentytrch ward from 2008-2015 
- "Ward population 2011". http://www.ukcensusdata.com/pentwyn-w05000870#sthash.9ek9EQqp.dpbs. Retrieved 8 April 2015.
- "New Cardiff North MP Craig Williams steps down as city councillor". Wales Online. 21 May 2015. http://www.walesonline.co.uk/news/local-news/new-cardiff-north-mp-craig-9307308. Retrieved 25 June 2015.