Proper noun
A sea loch in Highland council area, Scotland.
A lake in Perth and Kinross council area, Scotland, its outlet is the River Leven.
A lake and small settlement in Newfoundland and Labrador, Canada.
A lake and hamlet in Saskatchewan, Canada.
A lake in Inyo County, California, United States.
A number of lakes in Placer County, California, known as the Loch Leven Lakes.
Source: en.wiktionary.orgMary escaped from Loch Leven in 1568 but after another defeat fled across the border into England, where she had once been assured of support from Elizabeth. Source: Internet