Lon Helygen in Ynysybwl and Coed-y-cwm

Lon Helygen in Rhondda Cynon Taf, Ynysybwl and Coed-y-cwm is a two-lane, asphalted residential street. The road has sidewalks. There is no cycle path. It runs in a northeast-southwest direction and crosses Hafan Heulog, Plas-y-fedwen, Heol Celynen, Llys Derwen and Bryn Rhedyn and ends at Maes Glas, while the other end is a cul-de-sac.