| Number | Description | OS Grid |
| Park at W end of Llyn Ogwen near Idwal Cottage | SH64846042 |
| 1 | Follow path SW towards Llyn Idwal, below which take right fork | SH64595998 |
| 2 | Ascend W on winding path to gain NE ridge | SH63606002 |
| 3 | Ascend WSW up NE ridge and onto N ridge of Y Garn | SH63055976 |
| 4 | Ascend S to summit of Y Garn (3000ft+) | SH63055959 |
| 5 | Return N to where you gained the ridge | SH63055976 |
| 6 | Descend NW ridge to col with Foel Goch | SH62686019 |
| 7 | Follow path N below ridge on W slope of Foel Goch to col | SH62576140 |
| 8 | Continue N on path, turning W to Bwlch y Brecan | SH62346163 |
| 9 | Continue contouring turning WSW, then ascend ridge to Elidir Fawr (3000ft+) | SH61196131 |
| 10 | Return to Bwlch y Brecan | SH62346163 |
| 11 | Retrace contouring path to col | SH62576140 |
| 12 | Ascend Foel Goch (831m) | SH62846120 |
| 13 | Descend grassy terraces SE into corrie, Cwm Cywion, (no path) | SH63336047 |
| 14 | Continue grassy descent E to minor road | SH64366044 |
| 15 | Turn right and follow minor road back to start | SH64846042 |