* The Tarn takes his source on the mountain Lozère, in Lozère, and throws it self into the Garonne near Castelsarrasin.
* The length of its stream is 380,6 km.
* We find a strong population of catfish there.Lot of records were established in this river.
* Catfish furthermore of 2m of length and 80kg in 100kg. We find also a strong population of fishes white and of carnivore there.
* We fish essentially near cities for history such as Albi, Gaillac, Montauban and on edges Tarnais.