IICarthouse and granary at Rhiwerfa Rhiwerfa is on level ground at high level on the NW side of the narrow valley of the Afon Fathew, and is reached by a steep farm road from the B4405, at Mile 6 from Twywn.
IICartshed and granary at Brynderwen Forms the N side of the farmyard at Brynderwen, opposite the barn, both reached by a short track from the road linking Tal-y-llyn and Pennorth.