| Kilmersdon Road Quarry | |
| Aos: | Avon |
| Interest: | Geological |
| Coordinates: | 51.2861°N -2.4473°W |
| Displaymap: | Somerset |
| Area: | 0.43ha |
| Enref: | 1002781 |
Kilmersdon Road Quarry is a 0.43 hectare geological Site of Special Scientific Interest between the village of Haydon and the town of Radstock, Bath and North East Somerset, notified in 1954.
This is a key Lias locality spanning much of the Hettangian, Sinemurian and Pliensbachian stages.[1]