Entry Name: Former Hall's tramroad and railway tunnel W portal
Listing Date: 17 March 1999
Last Amended: 17 March 1999
Grade: II
Source: Cadw
Source ID: 21503
Building Class: Transport
ID on this website: 300021503
Location: Reached from a path from a small Caerbryn estate development N of High Sreet at Pentwyn-mawr.
County: Caerphilly
Community: Newbridge (Trecelyn)
Community: Newbridge
Locality: Pentwyn-mawr
Built-Up Area: Pontllan-fraith
Traditional County: Monmouthshire