▁It ▁is ▁placed ▁where ▁the ▁road ▁makes ▁a ▁marked ▁change ▁of ▁alignment . ▁ ▁The ▁plan ▁of ▁the ▁fort ▁suggests ▁that ▁it ▁hous ed ▁around ▁ 9 6 0 ▁foot - s old iers . ▁ ▁This ▁is ▁believed ▁because ▁of ▁numerous ▁bar rack ▁blocks ▁each ▁with ▁ten ▁double ▁rooms ▁and ▁a ▁cent ur ial ▁block ▁at ▁the ▁end ▁nearest ▁the ▁def ences . ▁ ▁Today ▁the ▁site ▁is ▁almost ▁completely ▁destroyed ▁due ▁to ▁gra vel - working . ▁ ▁Work ▁in ▁the ▁ 1 9 5 0 s ▁and ▁ 1 9 6 0 s ▁allowed ▁for ▁the ▁creation ▁of ▁this ▁extremely ▁rare ▁plan ▁of ▁the ▁fort . ▁ ▁This ▁makes ▁the ▁site ▁of ▁extreme ▁importance ▁as ▁it ▁is ▁one ▁of ▁very ▁few ▁to ▁have ▁a ▁detailed ▁plan ▁of ▁the ▁fort ▁itself . ▁ ▁Find ings ▁It ▁is ▁noted ▁that ▁in ▁the ▁garden ▁of ▁the ▁nearby ▁L ly st yn ▁G w yn ▁farm , ▁to ▁the ▁north ▁of ▁the ▁site , ▁a ▁stone ▁was ▁found ▁from ▁the ▁ 6 th ▁century ▁with ▁Latin ▁and ▁Og ham ▁ins cri ptions . ▁ ▁In ▁Latin ▁the ▁ins cription ▁reads ▁IC OR I ( X ) ▁FI LI US ▁/ ▁P OT ENT ▁/ ▁IN I ▁( I cor ix , ▁son ▁of ▁Pot ent inus ). ▁ ▁B iling ual ▁ins cri ptions ▁are ▁common ▁in ▁south ▁west ▁Wales , ▁however ▁this ▁is ▁the ▁only ▁one ▁to ▁have ▁been ▁found ▁in ▁north ▁west ▁Wales , ▁making ▁the ▁piece ▁extremely ▁rare ▁in ▁this ▁context