Loch Katrine ( listen ; Scottish Gaelic: Loch Ceiteirein or Loch Ceathairne, pronounced [lˠ̪ɔx kʲʰeʰtʲəɾʲɛɲ]) is a freshwater loch in the district of Stirling, Scotland. It is roughly 8 miles long by 2/3 of a mile wide and runs the length of Strath Gartney (Gaelic: Srath Ghartain). It is a popular destination for tourists and day visitors from Glasgow and other nearby towns. The loch derives its name from the term cateran from the Gaelic ceathairne, a collective word meaning cattle thief or possibly peasantry.