Flodaigh Mòr (or Floddaymore) is an uninhabited island in the Outer Hebrides of Scotland.

Geography and geology Flodaigh Mòr lies east of North Uist, close offshore to Ronay. It contains a large freshwater loch (with its own islets). The eastern headland (Rubha nan Caorach) is almost detached. To the north, skerries almost connect to Floddaybeg.

Notes and references