| Eas a' Chual Aluinn | |
| Location: | Assynt, Highland, Scotland |
| Map: | Scotland |
| Relief: | 1 |
| Coords: | 58.2054°N -4.9271°W |
| Type: | Tiered |
Eas a' Chual Aluinn in the parish of Assynt, Sutherland, Highland, Scotland, is the tallest waterfall in the United Kingdom with a sheer drop of . At full flow, is nearly four times taller than Niagara Falls.
The waterfall can be reached by a 6miles walk across boggy ground from the road 30NaN0 south of Kylesku in Sutherland. In good weather, a boat-trip runs from the slipway by the Kylesku Hotel to Loch Beag, from where the waterfall is visible.
The name is a corruption of Gaelic; Scottish Gaelic: Eas a' Chùil Àlainn, ("waterfall of the beautiful tresses").