Last update 8 November 2023
Mileages are given in the form miles.chains unless stated otherwise. Figures prefixed with ≈ are approximate, those in parentheses are not on this route but are given for reference. Reference to 'start'/'end' of an asset are as read down the page.
52.18 junction with SBA2 52.28 MOAT LANE JUNCTION 54.33 LLANDINAM 57.15 DOLWEN 59.76 LLANIDLOES 61.12 Penpontbren Junction with LWZ (0.12) 63.14 TYLWCH 64.65 GLAN-YR-AFON 67.09 PANTYDWR 68.37 ST HARMONS 71.19 MARTEG 73.66 RHAYADER 74.33 Elan Valley Junction with reservoir lines 75.41 Cerrig Gwynion siding 77.08 DOLDOWLOD 79.76 Watt's siding 81.15 NEWBRIDGE-ON-WYE 84.79 Builth Road Junction with BTP (0.22) 85.12 BUILTH ROAD LOW LEVEL formerly B. R. 86.59 BUILTH WELLS formerly B. 88.53 LLANFAREDD 90.61 ABEREDW 92.00 TIRCELYN 93.41 ERWOOD 95.64 LLANSTEPHAN GRAIG-Y-PWLL-DDU 97.60 BOUGHROOD & LLYSWEN formerly B. 100.44 THREE COCKS JUNCTION formerly T. C. 100.50 Three Cocks Junction with TCJ (0.00) 102.75 TALGARTH 105.27 TREFEINON 107.10 LLANGORSE LAKE 107.78 Talyllyn North Junction with TYL 108.27 Talyllyn West Junction with BND (4.00)