Barregarrow (Manx: Bayr Garroo [bi ˈɡa(ː)ɾo])[1] is a district in the Isle of Man.

The area of Bayr Garrow or Barrowgarrow is a former area of mountain commons or "rough" pasture situated on a series of ridge-lines formed by a post-glacial lake (Manx: Creggan Jeebylt) opposite to Cronk Urleigh that drained via the Ballaleigh valley, westwards into the river of Glen Mooar on the A4 Peel to Kirk Michael road.

[2] The Barregarrow Methodist Chapel was visited by John Wesley in June 1781 and he wrote in his journal; Monday 4th….

[John 7:371]....[3][4]The Barrowgarrow section of A3 Castletown to Ramsey was part of the 37.50 Mile Four Inch Course for the RAC Tourist Trophy automobile races held in the Isle of Man between 1908 and 1922.

[5] In 1911 the Four Inch Course for automobiles was first used by the Auto-Cycling Union for the Isle of Man TT motorcycle races.