|Municipality||Caerphilly / Torfaen (UK)|
|Primary factor [m]||
Approx. point 30 U 491679 5725822 - located west/north-west, along road A472 east of B4471.
|Secondary factor [km]||
Approx. point 30 U 492881 5730172 - located north/north-west, on the south slopes of Mynydd Coety.
|Location||UTM: 30 U 495047 5724804|
|Lat/Lon: N51°40'27.1" W3°04'17.9"|
Mynydd Twyn-glas is amongst the 50 most prominent mountains in Wales. There are various power installations close to the summit, and in general the mountain doesn't have a very nice appearance.
|Main photo||No photo available (yet).|
|Routes||Mynydd Twyn-glas from above Newbridge|