| An Stac | |
| Elevation M: | 814 |
| Elevation Ref: | [1] |
| Prominence M: | 255 |
| Listing: | Corbett, Marilyn |
| Location: | Lochaber, Scotland |
| Range: | Northwest Highlands |
| Grid Ref Uk: | NM762792 |
| Topo: | OS Landranger 40 |
An Stac is the name of a 814 m mountain in the Northwest Highlands, Scotland, on the shore of Loch Ailort on the west coast of Lochaber. A steep-sided conical peak, the mountain is usually climbed in conjunction with its higher neighbour Rois-bheinn. The nearest settlement is the hamlet of Lochailort.[2]