On site?:
Metres to cache = ABC: A=Shelters, B=Ficus elastica trees here; C=Hours park closed each week.
Bearing= DEF: D= Phone Boxes; E= Slides: F= Exits + street lights in park.
Siting at home?:
Metres to cache = Michael Johnson in 43.18 seconds (how fast can you do it?).
Bearing = ABC-degrees: A=Phone boxes by the park; B=Name of the third track of U2's 1991 album, Achtung Baby; C=shirt number worn by Peter Osgood and Jimmy Floyd Hasselbaink at Chelsea.
These coordinates will take you to where, until 2013, a huge India Rubber tree (elastica) stood. It was sick and was taken down sadly. From site of the once great tree, walk on 15 steps to the wall mounted gz.