), a river in Gallia, a branch of the Garonne.
It rises near Mount Lozère,
in the Cévennes,
and flows in the upper part of its course in a deep valley.
After running near 200 miles it joins the Garonne
Sidonius Apollinaris (24, 44) calls it “citus Tarnis.” [LESORA.] Ausonius (Mosella,
5.465) speaks of the gold found in the bed of the Tarn:-- “Ft auriferum postponet Gallia Tarnem.