- Building type: Fort
- Date of construction: 1641
- Architect: Not Assigned
- Listing: MON
- HB/SMR Ref: DOW014:012
- 2nd Survey by EHS: No


Hillsborough Fort
County Down

Fort with corner bastions and later Gothic style gatehouse
Stone Type Category: | Greywacke |
Primary Stone Type: | Greywacke |
Secondary Stone Type: | Locharbriggs Sandstone |
Other Stone Type: | |
Replacement Stone Type: | St. Bee's Sandstone |
Stonework Construction: | Un-coursed rubble |
Stonework Condition: | Primary stone is in good condition with no significant evidence of deterioration. Sandstone shows some evidence of surface loss primarily through granular disintegration and occasional flaking |
Condition Assessment (QUB): | 1 |