The illegal traveller encampment on Thorpe Green has been successfully moved on and the clean-up operation started.
It comes after Runnymede Borough Council successfully applied to Staines Magistrates' Court to have the group removed.
Now work is underway to clear the rubbish, green waste and asbestos left behind.
Posts removed to gain access to the site have been replaced and the gate by the old tennis courts re-secured.
Chris Dulley, Open Space and Allotments Manager for Runnymede Borough Council, said: "Unfortunately the levels of rubbish left on site are going to require the use of the council's grab-lorry vehicle which was not available until Monday morning.
"Litter picking began on Saturday and there is one instance of asbestos sheeting being dumped that will require removal by a specialist contractor and is likely to take a little longer."
The travellers left the site at about 3.45pm on Thursday, 10 May, after they were served with an order granted earlier that day by Staines Magistrates' Court.
Peter Winfield, Community Services Manager, added: "Sadly they left behind a large amount of flytipped waste and litter. Staff from the council's depot are on site clearing the waste as quickly as possible."