Claim: Ullerwood Castle is an early medieval castle and has been confused with Watch Hill Castle, which is an early medieval motte-and-bailey on the border of Bowdon and Dunham Massey, England.
Evidence: Ullerwood Castle is an early medieval castle, possibly a shell keep, in Ringway, Manchester, England (grid reference ). Ullerwood Castle has been confused with Watch Hill Castle in nearby Bowdon, but the two are separate castles, though both probably owned by de Masci. Watch Hill Castle (also known as Yarwood Castle, Castle Hill, and Bowdon Watch) is an early medieval motte-and-bailey on the border of Bowdon and Dunham Massey, England.