100 Acres of Sycamore is the third studio album by Irish singer-songwriter Fionn Regan, released on 8 August 2011 on Heavenly Records.

Upon meeting actress Anna Friel in Benicassim, in 2010, Regan subsequently began writing 100 Acres of Sycamore whilst staying at her home in Deià, Majorca.

Regarding the album's composition, Regan noted, "It was very fast, sometimes when you’re a writer it's like that, lightning strikes, the stars align for whatever reason.

[12] Much of the album's material was written in Deià, Majorca,[7] with Regan stating, "I think if you could bottle a bit of the atmosphere and put it into the record, it's there.

"[12] Regan describes the track, "Sow Mare Bitch Vixen" as "a celebration of the femme fatale.