Rocks from Lake Orcadie I love the rocks on Orkney. The whole area of Greenland, Shetland, Orkney and down to the Moray Firth was once a huge inland lake with freshwater called Lake Orcadie. The rocks it left behind are stunning. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window) Related Feel free to leave a Reply :) Cancel reply