Roper's Garden
Small green area, with benches, by the Thames. Created in the crater of a World War II bomb site, it contains an ancient cherry tree to commemorate the visit of Gunji Koizumi, the man who introduced judo to the country. Named after Margaret Roper née More, to whom the area was a
Small green area, with benches, by the Thames. Created in the crater of a World War II bomb site, it contains an ancient cherry tree to commemorate the visit of Gunji Koizumi, the man who introduced judo to the country. Named after Margaret Roper née More, to whom the area was a
Check the official site before travelling; hours and prices can change.
More parks

Hampstead Heath
320 hectares of wild north London — swim the ponds in summer, climb Parliament Hill for the skyline.

Greenwich Park
Royal park with the Observatory at the top — best skyline view east of central.

Regent's Park
Queen Mary's rose garden in June. Primrose Hill at sunset, year-round.
Source: wikivoyage