Irish Archaeological Consultancy Ltd (IAC), funded by the National Roads Authority (NRA) through Kilkenny County Council, undertook an excavation at the site of AR156, Moanduff 3 along the proposed N9/N10 Kilcullen to Waterford Scheme, Phase 4 – Knocktopher to Powerstown (Figure 1). The following report describes the results of archaeological excavation at that site. The area was fully excavated by Sinéad Phelan under Ministerial Direction A032 and Excavation Registration Number E3736 issued by the DoEHLG in consultation with the National Museum of Ireland for IAC. The fieldwork took place between the 16 and 24 October 2007. The site was located in the townland of Moanduff, Co. Carlow and was located in marginal landscape subject to seasonal flooding c. 100m south of the Madlin River, a tributary of the Barrow. One main feature of archaeological significance was recorded, namely an oval pit (C9) filled with charcoal, burnt stone and clay, similar to burnt mound material. Eight stakeholes were associated with C9, and may represent a spit or other similar apparatus. The oval pit may have been a small trough or a potboiler. There was no associated burnt mound deposit. The C9 pit was truncated by a later, smaller pit of unknown date but it is felt that they may be broadly contemporary. Modern agricultural land drains extended across the site. A sample of hazel charcoal from pit fill C8 was radiocarbon dated and produced a 2 sigma calibrated result of 1260–1020BC (UB 12261). A sample of young oak charcoal from stakehole fill C37 was radiocarbon dated and returned a 2 sigma calibrated result of 1259–1016BC (UB 12262). Two pits were identified on the site, one with associated stakeholes which was truncated by the second pit. The pit may represent a trough or pot boiler associated with late Bronze Age burnt mound activity. The site probably represents peripheral activity to a larger multi-period settlement site located immediately to the south at Moanduff 2, although no directly contemporary activity was recorded. The site is important locally as it confirms late Bronze Age activity in the immediate proximity of the larger Moanduff 2 site and as such is an important addition to the multi-period evidence from Moanduff 2