| Walthamstow Wetlands London Wildlife Trust | 201.97 ha | | — |
| Walthamstow Marshes | 35.83 ha | | — |
| Leyton Jubilee Park Waltham Forest | 19.46 ha | | — |
| Leyton Marsh | 17.49 ha | | — |
| Lloyd Park | 12.69 ha | | — |
| WaterWorks Centre Nature Reserve Lee Valley Regional Park Authority | 11.15 ha | | — |
| The Highams Park | 9.66 ha | | — |
| WaterWorks Centre Field Lee Valley Regional Park Authority | 9.65 ha | | — |
| Mansfield Park | 9.0 ha | | — |
| Wanstead Flats | 6.91 ha | | — |
| Walthamstow Marsh | 5.98 ha | | — |
| Aveling Fields | 5.69 ha | | — |
| Coppermill Fields | 5.57 ha | | — |
| Ridgeway Park | 5.04 ha | | — |
| Memorial Park | 3.81 ha | | — |
| St James Park Waltham Forest | 3.74 ha | 🐕 | — |
| Cheney Row Park | 3.28 ha | | — |
| Drapers Field Greenwich Leisure Limited | 2.99 ha | | — |
| Chase Lane Park | 2.92 ha | | — |
| Pimp Hall Park | 2.84 ha | | — |
| Higham Hill Recreation Ground | 2.67 ha | | — |
| Kitchener Park | 2.07 ha | | — |
| Langthorne Park Waltham Forest | 1.82 ha | 🐕 | — |
| Coronation Gardens Waltham Forest | 1.68 ha | 🐕 | — |
| Abbotts Park | 1.67 ha | | — |
| Hawkswood Nature Reserve | 1.54 ha | | — |
| Thomas Gamuel Park | 1.34 ha | | — |
| Pimp Hall Nature Reserve | 1.25 ha | | — |
| Bisterne Avenue Park | 0.62 ha | | — |
| Linear Park Waltham Forest Council | 0.45 ha | | — |
| Folly Lane Playground | 0.24 ha | | — |
| Church Lane Community Garden | 0.03 ha | | — |