IIPont y Gwaith Reached down a steep by-road from the old Cardiff to Merthyr road; by-road crosses the former Taff Vale Railway and the line of the Merthyr tramroad before descending to river. Sharp right hand turn
IIPontygwaith Overbridge Reached down a steep by-road from the old Cardiff to Merthyr road; by-road crosses the former Taff Vale Railway just before the overbridge.
IIPontygwaith Rail Overbridge Reached down a steep by-road from the old Cardiff to Merthyr road; by-road crosses the former Taff Vale
Railway and the Penydarren Tramroad.
IITabernacle Independent Chapel. In centre of Treharris, opposite Bethel Chapel, on rise overlooking valley. Iron rails along side and stone gate piers at upper end, into forecourt.
IITreharris Public Library Situated near the centre of Treharris, on the E side of Perrott Street just N of its junction with John Street.