| Wheldrake Ings Nature Reserve Yorkshire Wildlife Trust;Natural England | 191.2 ha | | — |
| The Knavesmire | 117.53 ha | | — |
| Bootham Stray City of York Council | 54.52 ha | | — |
| Heslington Tillmire SSSI | 46.26 ha | | — |
| Monk Stray City of York Council | 45.89 ha | | — |
| Askham Bog Yorkshire Wildlife Trust | 44.92 ha | | — |
| Acaster South Ings SSSI | 39.27 ha | | — |
| Walmgate Stray City of York Council | 26.72 ha | | — |
| Rawcliffe Ings | 20.97 ha | | — |
| Clifton Backies Local Nature Reserve | 19.85 ha | | — |
| The Mask | 19.03 ha | | — |
| York Maze | 16.77 ha | | — |
| Naburn Marsh SSSI | 13.28 ha | | — |
| Fulford Ings SSSI | 13.26 ha | | — |
| Rawcliffe Bar Country Park City of York Council | 11.6 ha | | — |
| Strensall Common Yorkshire Wildlife Trust | 11.4 ha | | — |
| Rowntree Park City of York Council | 9.74 ha | | — |
| Leeman Park City of York Council | 9.6 ha | | — |
| St Nicholas Fields LNR | 9.54 ha | | — |
| Breezy Knees Gardens | 8.42 ha | | — |
| Church Ings SSSI | 7.19 ha | | — |
| Strensall Common Yorkshire Wildlife Trust | 7.17 ha | | — |
| Moorlands Nature Reserve Yorkshire Wildlife Trust | 7.06 ha | | — |
| Hull Road Park City of York Council | 6.14 ha | | — |
| Homestead Park Joseph Rowntree Foundation | 6.05 ha | | — |
| Millennium Fields | 5.6 ha | | — |
| West Bank Park City of York Council | 5.18 ha | | — |
| Museum Gardens York Museums Trust | 3.83 ha | | — |
| Chesney Field | 3.64 ha | | — |
| Bachelor Hill City of York Council | 2.69 ha | | — |
| Millennium Green | 2.64 ha | | — |
| Eighth Avenue Playing Field | 1.81 ha | | — |
| Scarcroft Green City of York Council | 1.72 ha | | — |
| Clarence Gardens City of York Council | 1.7 ha | | — |
| Fishponds Wood Nature Reserve City of York Council | 1.62 ha | | — |
| Mayfield Grove Nature Reserve | 1.6 ha | | — |
| Badger Wood Walk | 1.56 ha | | — |
| Acomb Green City of York Council | 1.52 ha | 🐕 | — |
| King George's Field | 1.5 ha | | — |
| Heworth Holme City of York Council | 1.45 ha | | — |
| Woodthorpe Green | 1.45 ha | | — |
| Goddards Garden National Trust | 1.35 ha | | — |
| Glen Gardens City of York Council | 1.21 ha | | — |
| Foxwood Park City of York Council | 1.04 ha | | — |
| Dean's Park The Dean and Chapter of York Minster | 0.98 ha | | — |
| Hassacarr Nature Reserve | 0.88 ha | | — |
| Holgate Park | 0.87 ha | | — |
| Fulford Cross Nature Reserve | 0.81 ha | | — |
| Green field & sandpit | 0.77 ha | | — |
| Dickson Park | 0.69 ha | | — |
| Danesmead Residents Meadow | 0.65 ha | | — |
| Tower Gardens, St George's Field | 0.62 ha | | — |
| Clifton Green | 0.58 ha | | — |
| Memorial Gardens | 0.57 ha | | — |
| The Quiet Place | 0.35 ha | | — |
| Back Park City of York Council | 0.34 ha | | — |
| Hempland Lane Wildlife Area | 0.34 ha | | — |
| Greenfields Community Garden | 0.33 ha | | — |
| Sovereign Park | 0.32 ha | | — |
| Poppleton Village Green | 0.31 ha | | — |
| Graveyard of St Maurice Church | 0.26 ha | | — |
| Holgate Community Garden | 0.26 ha | | — |
| North Street Gardens | 0.24 ha | | — |
| Foss Islands Nature Reserve | 0.21 ha | | — |
| Eye of York | 0.19 ha | | — |
| Earswick Scented Garden | 0.17 ha | | — |
| Rose Garden | 0.17 ha | | — |
| Edible Garden | 0.14 ha | | — |
| Groves Secret Garden | 0.14 ha | | — |
| Treasurer's House Garden National Trust | 0.13 ha | | — |
| St Anthony's Garden | 0.12 ha | | — |
| Bee Pavilion | 0.11 ha | | — |
| Rowntree Gardens | 0.1 ha | | — |
| Heslington Hall Lawn | 0.07 ha | | — |
| Holgate Allotments Community Orchard Garden Holgate Allotments | 0.06 ha | | — |
| Formal Gardens | 0.05 ha | | — |
| Mallard Close Playing Area | 0.05 ha | | — |
| Route 66 Community Garden | 0.05 ha | | — |
| Lydia Purcell Memorial Garden | 0.04 ha | | — |
| Friends of York Hospitals Courtyard | 0.03 ha | | — |
| Solar System Courtyard | 0.03 ha | | — |
| Allied Air Forces Memorial Garden | 0.02 ha | | — |
| Aquarium Courtyard | 0.02 ha | | — |
| Nightingale Courtyard | 0.02 ha | | — |
| Peace Garden | 0.02 ha | | — |
| Royal Oak Beer Garden The Royal Oak | 0.02 ha | | — |
| St Clements Community Garden | 0.02 ha | | — |
| The Quiet Place | 0.02 ha | | — |
| Chapelfields Community Garden | 0.01 ha | | — |
| Medieval Garden | 0.01 ha | | — |
| Barbican Beds Edible York | — | | — |
| Black Swan Public Bed Edible York | — | | — |
| Memorial Garden | — | | — |