Subject: National Welsh N3877 (SKG 911S)
Chassis: Leyland National 113510A/1R
Body: Leyland National B49F
Location: Old Ynysybwl, Clydach Road
Date: 11-Mar-1980

N3877 crosses the wooded valley of Y Ffrwd, a stream that feeds into Nant Clydach, the main river in the valley up to Ynysybwl. It will shortly reach the terminus.