"Empty Glens" is a 2003 single released by Scottish celtic rock band Runrig, released as the lead and only single from their twelve studio album Proterra (2003), which they released together with Scottish musician Paul Mounsey.

It was released via Ridge Records in the United Kingdom and by Columbia Records in Germany, where it achieved moderate commercial success, debuting at number ninety-three on the German Singles Charts in August 2003.

[1] "Empty Glens" lyrically focuses on the transition away from churches and religion, and the reduced significance and role that religion has in the modern word.

[2] Ultimate Guitar reviewed "Empty Glens", citing it as one of the "good songs" on the Proterra album, alongside "Proterra" and "Day Of Days".

[3] Commercially, "Empty Glens" received moderate success in Germany, where it debuted at number ninety-three and stayed on the German Singles Charts for one week.