| Number | Description | OS Grid |
| Start from end of public road at Glenrosa. | NS00113762 |
| 1 | Follow the road then path to the Garbh Allt and cross to the N bank (if safe to do so) | NR98243871 |
| 2 | Go W on path by Garbh Allt | NR97243844 |
| 3 | Follow path NW into Coire na Cuiseig and onto SE ridge of Beinn Nuis | NR95643968 |
| 4 | Follow path WSW by Garbh Allt then NW to summit of Beinn Nuis | NR95553993 |
| 5 | Follow path NNW and descend onto ridge | NR95494021 |
| 6 | Follow ridge NE | NR95854073 |
| 7 | Continue N on S ridge of Beinn Tarsuinn | NR95874104 |
| 8 | Follow path NNE to summit of Beinn Tarsuinn | NR95974127 |
| 9 | Descend steeply to col where paths intersect | NR96294155 |
| 10 | Scramble along A Chir ridge or take bypass path on west side and rejion ridge at N end of A Chir ridge | NR96564269 |
| 11 | Follow path NNE to col (590m) where alternative path ascends to ridge from Glen Rosa | NR96834288 |
| 12 | Bear NE turning N on W slopes of Cir Mhor | NR96994325 |
| 13 | Continue NNW onto SW ridge of Caisteal Abhail | NR96694387 |
| 14 | Follow curving path N to Caisteal Abhail | NR96924433 |
| 15 | Return SW along ridge | NR96694387 |
| 16 | Follow ridge SSW to Cir Mhor | NR96994325 |
| 17 | Ascend SE to summit Cir Mhor | NR97284311 |
| 18 | Descend to 590 col for easy ascent or if you prefer a scramble descend steeply E to The Saddle | NR97874308 |
| 19 | Descend S into Glen Rosa and continue S to join approach route at Garbh Allt | NS00113762 |