| Marston Vale Millennium Country Park | 228.28 ha | | — |
| King's Wood | 140.92 ha | | — |
| RSPB The Lodge nature reserve RSPB | 130.32 ha | | — |
| Dunstable Downs The National Trust | 117.09 ha | | — |
| Pegsdon Hills | 91.39 ha | | — |
| Wrest Park & Gardens English Heritage | 65.32 ha | | — |
| Blow's Downs The Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire | 58.61 ha | | — |
| Flitwick Moor SSSI | 52.4 ha | | — |
| Barton Hills National Nature Reserve | 45.38 ha | | — |
| Galley and Warden Hills | 42.82 ha | | — |
| Ampthill Park | 39.94 ha | | — |
| Kings Wood | 27.2 ha | | — |
| Crawley Park | 21.59 ha | | — |
| Astral Lake Park | 21.55 ha | | — |
| Houghton Hall Park | 20.1 ha | | — |
| Clipstone Brook Park | 16.35 ha | | — |
| Houghton Park | 15.3 ha | | — |
| Flitwick Manor Park | 13.1 ha | | — |
| Tiddenfoot Waterside Park | 13.1 ha | | — |
| Henlow Common and Langford Meadows Nature Reserve Central Bedfordshire Council | 12.55 ha | | — |
| Chicksands Bike Park | 10.12 ha | | — |
| Knocking Hoe National Nature Reserve Natural England | 8.47 ha | | — |
| Silsoe Nature Reserve & Park | 8.09 ha | | — |
| Moggerhanger Park | 7.93 ha | | — |
| Rushymeade | 7.84 ha | | — |
| Dog Kennel Down | 7.54 ha | 🐕 | — |
| Linear Wood | 7.09 ha | | — |
| Shefford Millenium Green | 6.68 ha | | — |
| Pages Park | 6.53 ha | | — |
| Flitton Moor Local Nature Reserve | 5.92 ha | | — |
| The Riddy | 5.27 ha | | — |
| Mentmore park | 4.67 ha | | — |
| Arlesey Recreation Ground | 4.4 ha | | — |
| Rock Garden | 4.34 ha | | — |
| Linmere Park | 4.19 ha | | — |
| The Glebe | 4.11 ha | | — |
| The Swiss Garden | 3.77 ha | | — |
| Crowbush | 3.69 ha | | — |
| Priory Gardens | 3.68 ha | | — |
| Parsons Close Recreation Ground | 3.43 ha | | — |
| Herschel Green | 3.38 ha | | — |
| Old Warden Tunnel | 3.36 ha | | — |
| Stotfold Watermill Nature Reserve | 3.16 ha | | — |
| Dropshot Marsh SSSI | 3.01 ha | | — |
| Henry Smith Playing Fields | 2.93 ha | | — |
| Grove House Gardens | 2.81 ha | | — |
| Eaton Bray Park | 2.71 ha | | — |
| The Riddy | 2.29 ha | | — |
| Kings Reach Play Park | 1.78 ha | | — |
| Millennium Park | 1.77 ha | | — |
| Millennium Meadow | 1.73 ha | | — |
| Whipsnade Tree Cathedral National Trust | 1.71 ha | | — |
| Linslade Recreation Ground | 1.68 ha | | — |
| The Green | 1.65 ha | | — |
| Danes Field | 1.45 ha | | — |
| Maunder Avenue Play Area | 1.25 ha | | — |
| Pix Brook Nature Reserve | 1.17 ha | | — |
| Marston Skate Park | 1.09 ha | | — |
| Saxon Gate Park | 1.09 ha | | — |
| The American Garden | 1.08 ha | | — |
| Caddington Village Green Bedfordshire Council | 0.49 ha | | — |
| Edgecote Bedfordshire Council | 0.3 ha | 🐕 | — |
| Fairgreen Road Park Bedfordshire Council | 0.19 ha | | — |
| Caddington Pond Park Caddington Parish | 0.05 ha | | — |
| Lyra Garden Green Unknown | 0.03 ha | | — |
| Clophill Lakes Nature Reserve The Greensand Trust | — | | — |