| Country: | England |
| Static Image: | Castallack - geograph.org.uk - 175480.jpg |
| Static Image Caption: | Castallack |
| Coordinates: | 50.072°N -5.563°W |
| Official Name: | Castallack |
| Unitary England: | Cornwall |
| Lieutenancy England: | Cornwall |
| Region: | South West England |
| Constituency Westminster: | St Ives |
| Post Town: | PENZANCE |
| Postcode District: | TR19 |
| Postcode Area: | TR |
| Dial Code: | 01736 |
| Os Grid Reference: | SW451253 |
Castallack is a hamlet in the civil parish of St Buryan, Lamorna and Paul in west Cornwall, England, UK. It is on a minor road between Sheffied and Lamorna.[1]
Castallack lies within the Cornwall Area of Outstanding Natural Beauty (AONB). Almost a third of Cornwall has AONB designation, with the same status and protection as a National Park.
Castallack Roundago is a good example of a Romano-British round despite it having been partly destroyed in the 19th century.[2]
Granite from the Castallack quarries was used mainly for gravestones, activity finished in the mid-1980s.[3]