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The Trigno (Latin Trinius) is an 85-kilometre (53 mi) Italian river. It originates in the Apennine Mountains, in the province of Isernia and flows into the Adriatic Sea near Vasto. It also forms the border between the regions Abruzzo and Molise.
|⁃ location||Monte Capraro|
|⁃ elevation||1,150 m (3,770 ft)|
|0 m (0 ft)|
|Length||85 km (53 mi)|
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