Last update 20 January 2020
Mileages are given in the form miles.chains. 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 86.59 BUILTH WELLS 88.53 LLANFAREDD 90.61 ABEREDW 92.00 TIR CELYN 93.41 ERWOOD 95.64 LLANSTEPHAN 97.60 BOUGHROOD & LLYSWEN 100.44 THREE COCKS JUNCTION 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)