Trimontium
Τριμόντιον
Trimontium (Τριμόντιον, Ptol. 2.3.8), a town of the Selgovae, in Britannia Barbara, probably near Longholm, in the neighbourhood of the Solway Frith. [T. H. D.]
From William Smith (ed.), Dictionary of Greek and Roman Geography. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.