| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Cruguel | France | Brittany | Ploermel | churchyard | Yes | Ancient 5m-7m | View On Map |
| Crundale | England | Kent | Ashford | churchyard | Yes | Ancient 4m-5m | View On Map |
| Crux Easton | England | Hampshire | Newbury | churchyard | Yes | Lost | View On Map |
| Cruxton Castle | Scotland | Renfrewshire | Glasgow | castle | No | Lost | View On Map |
| Crynant | Wales | Neath Port Talbot | Neath | churchyard | Yes | Ancient 5m-7m | View On Map |
| Cubley | England | Derbyshire | Uttoxeter | churchyard | Yes | Ancient 4m-5m | View On Map |
| Cucklington | England | Somerset | Wincanton | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Cuckolds Haven | England | Yorkshire - South | Worksop | field | No | Lost | View On Map |
| Cudham | England | Greater London | Sevenoaks | churchyard | Yes | Ancient 7m+ | View On Map |
| Cuissai | France | Orne - Normandie | Alencon | churchyard | Yes | Ancient 4m-5m | View On Map |
| Culbone | England | Devon | Minehead | churchyard | Yes | Notable | View On Map |
| Cullompton | England | Devon | Exeter | churchyard | Yes | Lost, Notable | View On Map |
| Culm Davy | England | Devon | Wellington | churchyard | Yes | Ancient 5m-7m | View On Map |
| Culmstock | England | Devon | Wellington | churchyard | Yes | Notable | View On Map |
| Curraghchase | Ireland | Co. Limerick | Limerick | woodland | Yes | Notable | View On Map |
| Curry Mallet | England | Somerset | Ilminster | churchyard | Yes | Ancient 4m-5m | View On Map |
| Cusop | England | Herefordshire | Hay-on-Wye | churchyard | Yes | Ancient 4m-5m, Ancient 5m-7m, Ancient 7m+ | View On Map |
| Cutcombe | England | Somerset | Minehead | churchyard | Yes | Ancient 5m-7m | View On Map |
| Cutlers Wood – Kent | England | Kent | Ashford | woodland | Yes | Notable | View On Map |
| Cwm | Wales | Denbighshire | St Asaph | churchyard | Yes | Lost | View On Map |