| The moaning of the wind in the great mountain gullies and cwms rendered the scene both awful and sublime. |
| The summits of Snowdon and Garnedd Ugain are surrounded by cwms, rounded valleys scooped out by glaciation. |
| These cwms are occasionally visited for the sake of the waterfalls, two or three of which are exceedingly fine. |
| A number of lakes are found in the various cwms of the Snowdon range. |
| The break in the ridge may be reached either by following the ridge itself or from the cwms on either side of it. |
| The howling of the winds in the cwms and dingles which run down the p. 13mountain on every side was really appalling. |
