Trewartha is a hamlet in the civil parish of Veryan on the Roseland Peninsula, Cornwall, England, United Kingdom.Ordnance Survey One-inch Map of Great Britain; Truro and Falmouth, sheet 190. 1961
Trewartha is also the name of places in the parishes of Merther, St Agnes and St Neot. The meaning of Trewartha is "higher farm", except in the case of Trewartha, Merther, which is "Gorou's farm".Weatherhill, Craig (2009). A Concise Dictionary of Cornish Place-Names. Westport, Co. Mayo: Evertype. ; p. 79
See also Trewartha (the surname)
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