| Tandle Hill Country Park | 44.25 ha | | — |
| Strinesdale United Utilities | 27.82 ha | | — |
| Bishops Park Oldham Metropolitan Borough Council | 26.8 ha | | — |
| Alexandra Park | 21.33 ha | | — |
| Glodwick Lows | 17.68 ha | | — |
| Besom Hill Country Park Oldham Metropolitan Country Park | 9.8 ha | | — |
| Sholver Millennium Green The Sholver Millennium Green Trust | 9.22 ha | | — |
| Dunwood Park | 8.59 ha | | — |
| Stoneleigh Park | 8.07 ha | | — |
| Moorgate Quarry Nature Reserve | 7.9 ha | | — |
| Chadderton Hall Park | 7.28 ha | | — |
| Werneth Park | 6.87 ha | | — |
| High Crompton Park | 5.67 ha | | — |
| Waterhead Park | 5.07 ha | | — |
| Foxdenton Park Oldham Council | 4.89 ha | | — |
| Copster Park | 4.11 ha | | — |
| Standedge Road Cutting | 3.69 ha | | — |
| Noddy's Playing Fields | 3.66 ha | | — |
| Diggle Park | 3.61 ha | | — |
| Royton Park | 3.49 ha | | — |
| Jubilee Colliery Nature Reserve | 2.92 ha | | — |
| Coalshaw Green Park | 2.48 ha | | — |
| Becket Meadows | 2.34 ha | | — |
| Dogford Park | 1.87 ha | | — |
| Berrisfield Park | 1.56 ha | | — |
| Higher Memorial Park | 1.5 ha | | — |
| Lower Memorial Park | 1.44 ha | | — |
| The Tip | 1.41 ha | | — |
| Limehurst Millenium Green | 1.38 ha | | — |
| Brownhill Nature Garden Oldham Council | 1.24 ha | | — |
| Princess Park | 1.15 ha | | — |
| Lees Park | 0.94 ha | | — |
| King George V Playing Fields | 0.82 ha | | — |
| Coldhurst Community Park | 0.6 ha | | — |
| Memorial Gardens | 0.58 ha | | — |
| Swan Meadow Play Area | 0.52 ha | | — |
| Roman Road Dog Park | 0.43 ha | | — |
| Yasmin Gardens Park | 0.38 ha | | — |
| Dawsons Field | 0.37 ha | | — |
| Neild Street Park | 0.35 ha | | — |
| Limehurst Playground | 0.33 ha | | — |
| Fitton Park | 0.32 ha | | — |
| Westminster Road Park | 0.24 ha | | — |
| Tamworth Street Park | 0.2 ha | | — |
| Incline Park | 0.18 ha | | — |
| Coppice Park | 0.1 ha | | — |
| Agnes-Robinson Pocket Park | 0.07 ha | | — |
| Foxdenton Senses Garden | 0.03 ha | | — |
| Coppice Community Centre Garden | 0.02 ha | | — |
| Oldham Peace Garden | 0.01 ha | | — |
| Northern Roots | — | | — |