"Wild Mountain Thyme" is a traditional folk song that originated in Scotland and Ireland. The song expresses themes of love, nature, and longing, often featuring the imagery of the mountain thyme plant, which grows in the wild. It has been performed by various artists and is known for its haunting melody and poetic lyrics. The song is often associated with the Celtic music genre and has been covered by many musicians, including The Clancy Brothers and The Dubliners. Its enduring popularity reflects the deep cultural connections to the landscapes and emotions of the British Isles.