Glencastle

Glencastle
Gleann Chaisil
Townland
Dún Domhnaill fort in Glencastle townland
Glencastle
Location in Ireland
Coordinates: 54°11′N 9°53′W / 54.183°N 9.883°W / 54.183; -9.883
CountryIreland
ProvinceConnacht
CountyCounty Mayo
Population
 (2011)
38
 (Glencastle townland only)

Glencastle (Irish: Gleann Chaisil) is a small village, electoral division and townland in the northwest of County Mayo, Ireland. The townland of Glencastle has an area of approximately 2,337 acres (9.46 km2).