Epping Forest has been awarded Green Flag status for the 12th year running.
The accolade is awarded by charity Keep Britain Tidy to the best green spaces and parks in the UK.
The forest, owned by The City of London Corporation, also won a Green Heritage Status from English Heritage for best practice in the care and upkeep of historic sites.
City Corporation superintendent Paul Thomson said: “I’m delighted that Epping Forest has once again been recognised as one of the best run and well-loved green spaces in the UK.
“It is testament to the hard work and dedication of the staff and volunteers who work throughout the year to maintain and protect this wonderful ancient forest.”