For the purpose of fly-fishing, Southeastern Minnesota may be divided into 5 main watersheds. Although the entire region is drained by the upper Mississippi River, we can seperate the following watersheds from the Mississippi River for our purposes. Each of the watersheds may be further divided into rivers and streams with the streams emptying into rivers and rivers emptying into watersheds.

Mississippi River Watershed

Mississippi River Redwing to Weaver Bottoms

Mississippi River Weaver Bottoms to LaCrescent

Mississippi River LaCrescent to Iowa Border

Root River Watershed

North Branch of the Root River	Middle Branch of the Root River	South Branch of the Root River
South Fork of the Root River	Main Channel of the Root River

Whitewater River Watershed

Whitewater River

Zumbro River Watershed

Main Channel of the Zumbro River	North Fork of the Zumbro River	Middle Fork of the Zumbro River
South Fork of the Zumbro River

Cannon River Watershed

Main Channel of the Cannon River

Big Cannon River

Straight River