Last update 14 June 2026
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.
0.00 Craigendoran Junction with HBH/NEM7 (22.77) 0.18 CRAIGENDORAN 2.08 HELENSBURGH UPPER 3.70 RHU formerly ROW 5.22 Faslane Junction with FLB 5.25 FASLANE JUNCTION 6.48 SHANDON 8.76 GARELOCHHEAD 9.52 Garelochead viaduct 10.31 WHISTLEFIELD 11.36 Finnart viaduct 15.21 GLEN DOUGLAS 16.20 geological detection equipment 18.21 Manse viaduct 19.45 ARROCHAR & TARBET 23.12 Inveruglas viaduct 23.22 INVERUGLAS 24.08 start of Craigenarden viaduct 24.14 end of Craigenarden viaduct 27.43 ARDLUI 30.33 GLENFALLOCH 30.50 start of Glen Falloch viaduct 30.57 end of Glen Falloch viaduct 36.23 CRIANLARICH formerly C.; C. UPPER 36.31 Crianlarich Junction with OBN1 (0.00) 36.40 intersection bridge over CLB (mileage unknown) 36.45 Fillan viaduct 36.67 Fillan 37.64 Inverhaggernie viaduct 39.39 Crianlarich viaduct 39.63 Auchtertyre viaduct 41.25 UPPER TYNDRUM formerly T.; T. UPPER 44.60 start of Horseshoe curve 45.02 Glean viaduct 45.38 start of Horse Shoe viaduct 45.47 end of Horse Shoe viaduct 46.20 end of Horseshoe curve 48.68 BRIDGE OF ORCHY ≈52.18 AUCHELLANDER 52.20 Achallader viaduct 54.03 Barravourich viaduct 57.40 GORTAN 63.48 Gaur viaduct 64.36 RANNOCH 64.55 start of Rannoch viaduct 64.64 end of Rannoch viaduct 71.54 CORROUR 78.52 start of deviation 80.03 end of deviation 80.14 FERSIT 81.40 Tulloch viaduct 81.59 TULLOCH formerly INVERLAIR 85.25 start of Monessie Gorge 86.05 end of Monessie Gorge 87.35 ROY BRIDGE 87.46 Roy viaduct 89.46 Spean viaduct 90.56 SPEAN BRIDGE 90.63 junction with SPF (0.00) 98.33 junction with ZZD7 (0.00) 98.65 junction with ZZD8 (0.02) 98.67 Fort William Junction with MLG1 (0.00) 99.07 Nevis viaduct 99.37 FORT WILLIAM and junction with WHX