| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Llanychan | Wales | Denbighshire | Ruthin | churchyard | Yes | Ancient 4m-5m | View On Map |
| Llanycil | Wales | Gwynedd | Bala | churchyard | Yes | Ancient 5m-7m, Lost | View On Map |
| Llanycrwys | Wales | Carmarthenshire | Lampeter | churchyard | Yes | Ancient 7m+ | View On Map |
| Llanymawddwy | Wales | Gwynedd | Dolgellau | churchyard | Yes | Ancient 7m+ | View On Map |
| Llanymynech | England | Shropshire | Oswestry | churchyard | Yes | Lost | View On Map |
| Llanynys | Wales | Denbighshire | Ruthin | churchyard | Yes | Ancient 4m-5m | View On Map |
| Llanyre | Wales | Powys | Llandrindod Wells | churchyard | Yes | Ancient 4m-5m, Ancient 5m-7m, Notable | View On Map |
| Llanywern | Wales | Powys | Brecon | churchyard | No | Lost, Notable | View On Map |
| Llidiard Fadog | Wales | Conwy | Dolgarrog | footpath/roadhistoric site | Yes | Notable | View On Map |
| Llowes | Wales | Powys | Hay-on-Wye | churchyard | Yes | Ancient 5m-7m | View On Map |
| Llwynfynwent | Wales | Powys | Builth Wells | former religious site | No | Lost | View On Map |
| Llyshendy | Wales | Carmarthenshire | Llandeilo | garden | Yes | Lost | View On Map |
| Llywel | Wales | Powys | Llandovery | churchyard | Yes | Ancient 4m-5m, Ancient 5m-7m, Ancient 7m+ | View On Map |
| Loch Lomond – Mill of Ross | Scotland | Argyll and Bute | Drymen | woodland | Yes | Notable | View On Map |
| Lochend Wood | Scotland | Edinburgh | Dunbar | woodland | Yes | Notable | View On Map |
| Lockerley | England | Hampshire | Romsey | churchyard | Yes | Ancient 4m-5m, Ancient 7m+ | View On Map |
| Locks Heath | England | Hampshire | Southampton | woodland | Yes | Ancient 4m-5m | View On Map |
| Loders | England | Dorset | Bridport | churchyard | Yes | Ancient 5m-7m | View On Map |
| Login | Wales | Carmarthenshire | St Clears | former religious site | No | Notable | View On Map |
| Londesborough Park | England | Yorkshire - East Riding | York | parkland | No | Ancient 4m-5m | View On Map |