Hunting grounds for the Cŵn Annwn are said to include the mountain of Cadair Idris, where it is believed "the howling of these huge dogs foretold death to anyone who heard them".Briggs, Katharine M. An Encyclopedia of Fairies: Hobglobins, Brownies, Bogies and Other Supernatural Creatures. New York: Pantheon Books. 1976. p. 85. The Celts: history, life, and culture. John T. Koch, general editor; Antone Minard, editor. ABC-CLIO. 2012. p. 238. Abad, Rubén Abad. (2008). "La divinidad celeste/solar en el panteón céltico peninsular". In: Espacio, Tiempo y Forma. Serie II, Historia Antigua, 21: 95.
Hunting grounds for the Cŵn Annwn are said to include the mountain of Cadair Idris, where it is believed "the howling of these huge dogs foretold death to anyone who heard them".Briggs, Katharine M. An Encyclopedia of Fairies: Hobglobins, Brownies, Bogies and Other Supernatural Creatures. New York: Pantheon Books. 1976. p 85. The Celts: history, life, and culture. John T. Koch, general editor; Antone Minard, editor. ABC-CLIO. 2012. p. 238. Abad, Ru.bén Abad. (2008). "La divinidad celeste/solar en el panteón céltico peninsular". In: Espacio, Tiempo y Forma. Serie II, Historia Antigua, 21: 95.