Gazetteer of
British Place Names

Trethullan Castle is an ancient earthwork near St Austell, Cornwall. It is within the council area of Cornwall.

Place Type: Ancient Earthwork
Historic County: Cornwall
Lat, Long: 50.328303,-4.8510507
Grid Reference: SW 9717 5148
Civil Parish: St Stephen-in-Brannel CP
Council Area: Cornwall CA
Police Area: Devon and Cornwall PA

GBPN ID: 305213
Entry Type: Main listing (P)
URL: https://gazetteer.org.uk/place/Trethullan_Castle,_Cornwall_305213

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