The site used to be Sunnyhill Fields, and was owned by Church Farmhouse, now the adjoining Church Farmhouse Museum. In 1921 Hendon Council purchased 16 acres for a park, which opened in 1922, and in 1929 it was enlarged when further land was acquired.[4] An area with scattered trees in the south-east corner was formerly part of St Mary's Churchyard, an important archaeological site with evidence of Roman and Anglo-Saxon occupation.[5] The park still has hedgerows showing former field boundaries and mature trees.[4]
It has a cafe, a playground, various tennis and basketball courts and football pitches.
There is access from Church End, Sunny Hill, Watford Way, Great North Way, Sunny Gardens Road, Sunningfields Crescent and Church Terrace.