Glimps Holm or Glims Holm is a small uninhabited islet in Orkney, Scotland. It lies in Holm Sound, one of the eastern entrances to Scapa Flow, between Mainland Orkney and the island of Burray. Nearby
View of Glimps Holm from Lamb Holm, showing Barrier No. 2
The Churchill Barriers are four causeways in the Orkney islands with a total length of 2.3 kilometres. They link the Orkney Mainland in the north to the island of South Ronaldsay via Burray and the tw
The main quarry on Lamb Holm used by the Italian POWs, since flooded and converted into a fish farm. In the background at right is barrier no.2 between Lamb Holm and Glimps Holm
Barrier 1, linking Mainland and Lamb Holm. It was through this channel U-47 entered Scapa Flow to attack HMS Royal Oak in 1939.
Barrier 2, linking Lamb Holm and Glimps Holm