Rio Grande
The river that forms the north border of Zimbabwe is the Limpopo River. It also forms the border between South Africa and Zimbabwe as well as part of the borders between South Africa and Botswana and Mozambique.
Limpopo River.
The Limpopo forms that border between Zimbabwe and South Africa.
The Macintyre River and the Tweed River each form part of the border between Queensland and New South Wales.
the Missouri river
The Mississippi forms the entire east border of Iowa. The Des Moines river forms a small part of the south border. The Missouri River forms most of the west border, The north portion of the west border is the Big Sioux River.
This river is called Danube. Its a northern border to Bulgaria and for Romania the south bound.
The river that primarily borders Tanzania is the Rufiji River, which flows through the country and forms part of the boundary with Mozambique to the south. Additionally, the Zambezi River is located to the southwest of Tanzania, but it does not directly border the country. The Ruvuma River forms part of the border between Tanzania and Mozambique to the south as well.
The Snake River forms part of Oregon's eastern border
The Congo River
The Rio Grande forms part of the US border with Mexico, while the St. Lawrence River forms part of the border between the US and Canada.
The Mississippi River forms the eatern border. The St. Frances River form a small part of the border on the northeast. The Red River forms a small part of the southwestern border.