| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Chislehurst | England | Greater London | Bromley | churchyard | Yes | Notable | View On Map |
| Chittlehampton | England | Devon | South Molton | churchyard | Yes | Notable | View On Map |
| Cholderton | England | Wiltshire | Amesbury | woodland | No | Lost, Notable | View On Map |
| Cholsey | England | Oxfordshire | Wallingford | churchyard | Yes | Lost | View On Map |
| Christon | England | Somerset | Weston-super-Mare | churchyard | Yes | Ancient 4m-5m | View On Map |
| Church Hanborough | England | Oxfordshire | Oxford | churchyard | Yes | Lost | View On Map |
| Church Knowle | England | Dorset | Poole | churchyard | Yes | Lost | View On Map |
| Church Preen | England | Shropshire | Much Wenlock | churchyard | Yes | Ancient 7m+ | View On Map |
| Church Pulverbatch | England | Shropshire | Shrewsbury | churchyard | Yes | Lost | View On Map |
| Churchill – Somerset | England | Somerset | Cheddar | churchyard | Yes | Ancient 4m-5m | View On Map |
| Churchill-in-Halfshire | England | Worcestershire | Kidderminster | churchyard | Yes | Ancient 5m-7m | View On Map |
| Churchstanton | England | Somerset | Taunton | churchyard | Yes | Ancient 5m-7m, Notable | View On Map |
| Churchstoke | Wales | Powys | Montgomery | churchyard | Yes | Ancient 4m-5m, Ancient 5m-7m, Notable | View On Map |
| Ciliau Aeron | Wales | Ceredigion | Aberaeron | churchyard | Yes | Ancient 5m-7m, Ancient 7m+ | View On Map |
| Cilmery (Llanganten) | Wales | Powys | Builth Wells | churchyard | Yes | Lost | View On Map |
| Cilrhedyn | Wales | Pembrokeshire | Newcastle Emlyn | churchyard | Yes | Ancient 5m-7m | View On Map |
| Cilwern | Wales | Carmarthenshire | Llandybie | garden | No | Lost | View On Map |
| Cilycwm | Wales | Carmarthenshire | Llandovery | churchyard | Yes | Ancient 5m-7m, Ancient 7m+, Lost | View On Map |
| Cissbury Ring | England | Sussex - West | Worthing | historic site | Yes | Notable | View On Map |
| Claines | England | Worcestershire | Worcester | churchyard | Yes | Lost | View On Map |