The Iványi () originates in the

Mátra The Mátra () is a mountain range in northern Hungary, between the towns Gyöngyös and Eger. The country's highest peak, Kékestető (1014 m), belongs to this mountain range. Formation Pre-volcanic formations The formation of the Mátra ...

range at nearly 470 metres above sea level, south of Mátraterenye,

Nógrád County Nógrád (, ; ) is a counties of Hungary, county () of Hungary. It sits on the northern edge of Hungary and borders Slovakia. Description Nógrád county lies in northern Hungary. It shares borders with Slovakia and the Hungarian counties Pest ( ...

Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...

. It is a left tributary of the

Zagyva The Zagyva is a river in Hungary. This 179 km long river drains a basin of 5,677 km2. The source is near Salgótarján in Nógrád county. It flows through the towns of Bátonyterenye, Pásztó, Hatvan and Jászberény and flows into t ...

. The stream flows northward and reaches the Zagyva north of Mátramindszent. The Tószeri flows into the Iványi close to its origin not far from Mátraterenye.

Settlements on the banks

* Mátraterenye {{DEFAULTSORT:Ivanyi Rivers of Hungary