The watershed is made up of 5 major rivers, and 10  smaller ones. 

 

Click on a subbasin to lean more about it.

Pemigewasset, Suncook, Contoocook, Main Stem, Estuary, Cohas, Beaver, Spicket, Powwow, Shawsheen, Concord, Stony Brook, Nashua, Souhegan, Piscataquot, Winnepesaukee, Soucook River