A roughly 1.7km stretch of Roman road, represented by discontinuous earthworks: from SN98267052 the feature runs SSE-NNW for about 160m, then turning to run 1,400m south to north, passing the St Harmon marching camp on the east (NPRN 304958), at the crossing of the Afon Marteg the road turns slighly east of north for about 160m, & is last seen at SN98257223.
The southern part of this section survives as an upstanding earthwork and is a scheduled monument.

Part of:
Route between Castell Collen & Caersws (NPRN 304960).

The next recorded section about 1.5km to the south-south-east = NPRN 309523
about 3.3km to the north = NPRN 400376

Source: Toller in Archaeologia Cambrensis 146 (1997), 69-71, figs7-8

Air photo coverage: RCAHMW AP94-CS 0529; AP945071/63-4

J.Wiles 12.05.04