It is located beside Errigal and extends beyond Glenveagh National Park, facing Loch Altan.
[2] The Poisoned Glen is situated approximately 40 kilometres (25 mi) from Letterkenny.
An unsourced suggestion by the website Lonely Planet, however, states that the source lies in a cartographic gaffe.
[citation needed] For example, Clannad's album Anam (1990) included a track titled 'Poison Glen', and Altan released an album titled Gleann Nimhe – The Poison Glen (2015).
This article related to the geography of County Donegal, Ireland is a stub.