Erin Woods is a residential neighbourhood in the southeast quadrant of Calgary, Alberta. It is located at the eastern edge of the city and is bounded to the east by 52 Street E, to the south by Peigan Trail and to the north and west by the Canadian National Railway tracks. The area was annexed by the City of Calgary in 1961, and Erin Woods was established in 1981. It is represented in the Calgary City Council by the Ward 9 councillor. The postal code in this area is T2B.