Loch of Lintrathen is a man-made loch occupying a glacial basin at the southern end of Glen Isla,[3] approximately 13 kilometres (8.1 miles) west of town of Kirriemuir in Angus, Scotland.

There are internationally important numbers of greylag geese, with 3% of the Iceland population over-wintering at the site.

[7] Other wildlife includes whooper swans, otters and osprey, and the loch is used for trout fishing.

[9] The Ramsar Site includes an area of marshland in the north-west, a total of 217 hectares being protected.

[8] The loch and surrounding area is also maintained as a nature reserve by the Scottish Wildlife Trust.