GLYNCONNON (GLYN-CYNON), a hamlet, in the parish of LLANWONNO, hundred of MISKIN, county of GLAMORGAN, SOUTH WALES, 71 miles (S.) from Merthyr -Tydvil, containing 415 inhabitants. The Pont Cynon aqueduct, which conveys the Cardiff canal over the river Tif, is situated at the eastern extremity of this hamlet, near where the Aberdare canal joins the former at Navigation House; and here also both the canal and the Tif are crossed by the road from Cardiff to Aberdare, which proceeds through the vale of the Cynon, overhung in many places with majestic oaks, and other lofty trees, and which, after crossing the river by an alpine bridge, enters the parish of Aberdare. There are numerous pleasing and ornamental residences in different places, especially in that portion of the hamlet which overlooks the valleys of the Tif and the Cynon, the former bounding it on the east, and the latter on the north-east.