These pits are on the North (hostile) side of the wall. It looks like they were pitfall traps to break up any assault on the rampart - the Roman equivalent of an anti-personnel minefield. No doubt they had sharp stakes at the bottom.
Rough Castle Fort is a tourist attraction, one of the Archaeological sites in Bonnybridge, United Kingdom. It is located: 14 km from Falkirk, 88 km from Glasgow, 880 km from Liverpool. Read further
