The Secchia (called by Pliny Gabellus) is an Italian river. It runs through Emilia-Romagna, and is one of the main tributaries on the right-hand side of the Po River.It is 172 kilometres (107 mi) long, and has a drainage basin with a surface of 2,292 square kilometres (885 sq mi), alternating between aridity in summer and fullness in spring and autumn.