Erris is a barony in northwestern County Mayo in Ireland consisting of over , acres . km , much of which is mountainous blanket bog. It has extensive sea coasts along its west and north boundaries. The main towns are Belmullet and Bangor Erris. The name Erris derives from the Irish ‘Iar Ros’ meaning ‘western promontory’. The full name is the Iorrais Domnann, after the Fir Bolg tribe, the Fir Domnann. To its north is the wild Atlantic Ocean and the bays of Broadhaven and Sruth Fada Connand to i.County Mayo Bangor Erris Directory Map of Bangor Erris. Ireland Maps Ireland Photos Bangor Erris Map. Street View You can also now view the Bangor Erris map below using the new Google Street Map feature. This allows you to view degree panoramic street level views of the street, landmark or location in Bangor Erris, as if you were standing .