The park is named to honour Earl Haig, the Commander-in-Chief of the British Expeditionary Forces during the First World War, spans the distance between Mount Ainslie and Black Mountain.[1][2] The park comprises fourteen rows of trees planted to form a windbreak and shelterbelt.[2] The majority of planting was in 1921, when Canberra's first Superintendent, Parks and Gardens, Charles Weston, planted over 7000 trees, predominantly exotic.[3]