Tributaries

Bass River, Weldford Parish, New Brunswick
Coal Branch River
Molus River
St. Nicholas River
- East Branch St. Nicholas River
- South Branch St. Nicholas River
- West Branch St. Nicholas River
St. Charles River

River communities

Cumberland Basin	Missaguash River
Chignecto Bay	Upper Salmon River
Passamaquoddy Bay	Magaguadavic River St. Croix River
Watershed of Saint John River	Aroostook River Becaguimec Stream Canaan River Hammond River Iroquois River Jemseg River Kennebecasis River Keswick River Little Iroquois River Madawaska River Meduxnekeag River Nashwaak River Nerepis River North Branch Meduxnekeag River Oromocto River River De Chute Saint Francis River Saint John River Tobique River Wolastoq
Shepody Bay (Watershed of Petitcodiac River )	Jonathan Creek Memramcook River Petitcodiac River Turtle Creek
Others	Big Salmon River Quiddy River

Chaleur Bay ( Watershed of Restigouche River )	Belle Kedgwick River Gounamitz River Kedgwick River Little Main Restigouche River Little Southeast Upsalquitch River North Branch Gounamitz River Northwest Upsalquitch River Patapédia River Popelogan River Restigouche River South Branch Kedgwick River Southeast Upsalquitch River Upsalquitch River West Branch Gounamitz River
Miramichi Bay ( Watershed of Miramichi River)	Barnaby River Bartholomew River Bartibog River Cains River Dungarvon River Little Southwest Miramichi River Miramichi River Napan River North Pole Stream Northwest Miramichi River Oyster River Renous River Sevogle River Southwest Miramichi River Tuadook River
Northumberland Strait	Buctouche River Kouchibouguac River Kouchibouguacis River Molus River Richibucto River
Watershed of Saint Lawrence River	Rimouski River
Others	Black River Caraquet River Nepisiguit River Pokemouche River Rivière du Nord