The military Battery (nº114A) to defend the road was part of the 1st of the Lines of Torres Vedras.
Its objective was to use its gun emplacements to impede any enemy attack on the left flank of the position, near the São Fernando Battery and cross fire with the artillery of the 1st Subserra fort. It consisted of an escarpment, counterscarp and embrasures. It could house 370 infantrymen and was equipped with 9 pieces of 12 calibre artillery, 4 pieces of 9 calibre and 4 gun emplacements.
For more information, contact the Heritage and Visitors’ Centre for this trail.