The Ščavnica is a 56-kilometer (35 mi) river in Styria, Slovenia. It sources near Zgornja Velka and flows along the Slovene Hills towards the southeast. It passes Negova Castle and Sveti Jurij ob Ščavnici, traverses Lake Gajševci and the town of Ljutomer, and finally joins the Mur from the right in Razkrižje.