The present park and sports fields between Hillcross Avenue, London Road/Epsom Road and Lower Morden Lane are owned and managed by the London Borough of Merton parks department and cover land that previously formed the grounds of Morden Park House, a small 18th-century country estate (not to be confused with Morden Hall Park, the National Trust property close to Morden town centre).
The estate originally comprised enclosed parkland, a small Georgian country house built at the top of the hill in the 1770s for merchant and distiller John Ewart with attached landscaped gardens and a farm called Morden Park Farm. By the mid-1780s the estate was in the possession of the Polhill family. One member of the family, Edward Polhill, bequeathed £1,000 in 1826 to the parish church for the benefit of the Sunday school.
The entrance to the Park, from London Road is now dominated by South Thames College, Merton Campus. This was built on the site of a Pig Farm which was destroyed by fire at some point in the late 1940s or early 1950s. The derelict sites remained in place for some years until the early 1960s when clearing began for the College. During this period many bones could be found amongst the rubble; these have been assumed by archaeologists to be those of pigs. Children from the Council Estate opposite the entrance at Hatfield Mead used this area as an adventure playground for many years. At this period a Gatehouse (occupied until its demolition in the 1960s) was prominent at the entry.
At the bottom of the hill in the direction of Lower Morden runs a small brook.
A large circular mound in the park has been identified as a possible burial mound from the Iron Age, Roman or Saxon periods. Archaeological investigations were carried out in the 1950s although no conclusive proof as to its date or purpose were found. English Heritage believes that the earthwork was remodelled at some time into a belvedere, or viewing platform, with a spiral path to ascend it. Between 1960 and the mid-1990s a cycle speedway track sat alongside the mound, which was home to Morden Cycle Speedway Club. The track has since been demolished but it's still possible to find signs of the track's existence. A local Aero Modelling Club used the area South of the Mound on Sunday Mornings for flying practice.
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Morden Park House remains and, after many years of neglect and semi-dereliction, has recently been restored and is now the local register office and a venue for wedding ceremonies.
Facilities in Morden Park include a pitch and putt golf course and Morden Park Swimming Pool which was opened in the late 1967 on the site of the old house's gardens.
Morden Park hosts the annual Morden Park Holiday Club event for children to attend for a week during their summer holidays from school. This event is organised by the churches in the surrounding area.