Well Strret Common is a lovley open space in Hackney and is often overlooked in favour of both London Fields and Victoria Park.
Well Street Common is an attractive and popular site in the south of Hackney with an impressive selection of London plane and chestnut trees. It's designated common land and is used for community events and activities throughout the year.
The park has an active community group and their website provides a great del more informaiton about the space and its history: http://wellstreetcommon.co.uk
THe cache require a reach but not someone above avergae height.