Buuxi weedha soo socota: Segovellauni waxay ku noolaayeen dooxada webiga Rhône, koonfurta webiga Isère iyo galbeedka Vercors Massif, agagaarka magaalada maanta ah ee Valence. Dhulkan, oo u dhiganta gobolka casriga ah ee Valentinois, waxaa loogu yeeray 'Jasiiradda' Polybius iyo Livy sharaxaadooda
Hannibal ayaa ka gudbay Alps sanadkii 218 BC, maxaa yeelay waxay ku taal inta udhaxeysa Rhône iyo Isère, meel u dhow isgoyska labada webi. Koonfurta, dhulkoodu wuxuu gaaray ilaa webiga Drôme, ama laga yaabee koonfurta ilaa bannaanka Montélimar. Waxay u badan tahay in ay dabooshay gobolka Vivarais ee galbeedka Rhône, inta udhaxeysa Eyrieux iyo webiyada.