From WoWWiki

The Southfury River is likely Kalimdor's most prominent river. Beginning as a small stream in the highlands surrounding Mount Hyjal, it grows into a wide, swift-flowing river that forms the boundary between Ashenvale Forest and Azshara, and further south, the border between the Barrens and Durotar where nasty creatures known as crocolisks patrol the waters. The river empties into the Great Sea in a cascading waterfall just northeast of the goblin port town of Ratchet.

Subzones of Azshara

Bay of Storms • Bear's Head • Bitter Reaches • Forlorn Ridge • The Great Sea • Haldarr Encampment • Hetaera's Clutch • Horizon Scout • Jagged Reef • Lake Mennar • Legash Encampment • Ravencrest Monument • Rethress Sanctum • The Ruined Reaches • Ruins of Eldarath • Scalebeard's Cave • Shadowsong Shrine • The Shattered Strand • Southridge Beach • Southfury River • Talrendis Point • Temple of Arkkoran • Temple of Zin-Malor • Thalassian Base Camp • Timbermaw Hold • Tower of Eldara • Ursolan • Valormok

Subzones of Durotar

Blackblood Gorge • Bladefist Bay • Burning Blade Coven • Darkspear Strand • Deadeye Shore • The Den • Drygulch Ravine • Dustwind Cave • Echo Isles • The Great Sea • Hidden Path • Jaggedswine Farm • Kolkar Crag • Orgrimmar • Razor Hill • Razor Hill Barracks • Razormane Grounds • Razorwind Canyon • Rocktusk Farm • Scuttle Coast • Sen'jin Village • Shrine of the Dormant Flame • Skull Rock • Southfury River • Spirit Rock • Thunder Ridge • Tiragarde Keep • Tor'kren Farm • Valley of Trials

Subzones of The Barrens

Agama'gor • Bael'dun Keep • Bael Modan • Blackthorn Ridge • Boulder Lode Mine • Bramblescar • Camp Taurajo • The Crossroads • Dreadmist Den • Dreadmist Peak • The Dry Hills • Far Watch Post • Field of Giants • The Forgotten Pools • Fray Island • Gold Road • The Great Sea • Grol'dom Farm • Honor's Stand • Lushwater Oasis • The Merchant Coast • Mor'shan Base Camp • The Mor'shan Rampart • Northwatch Hold • Raptor Grounds • Ratchet • Razorfen Downs • Razorfen Kraul • Shrine of the Fallen Warrior • The Sludge Fen • Southern Barrens • Southern Gold Road • Southfury River • The Stagnant Oasis • Thorn Hill • The Tidus Stair

Subzones of Ashenvale

Astranaar • Bathran's Haunt • Bloodtooth Camp • Bough Shadow • Demon Fall Canyon • Demon Fall Ridge • The Dor'Danil Barrow Den • Falfarren River • Fallen Sky Lake • Felfire Hill • Fire Scar Shrine • Forest Song • Greenpaw Village • The Howling Vale • Iris Lake • Kargathia Keep • Lake Falathim • Maestra's Post • Moonwell • Mor'shan Rampart • Mystral Lake • Night Run • Nightsong Woods • Raynewood Retreat • The Ruins of Ordil'Aran • The Ruins of Stardust • Satyrnaar • The Shady Nook • The Shrine of Aessina • Silverwind Refuge • Silverwing Grove • Silverwing Outpost • Southfury River • Splintertree Post • The Talondeep Path • Thistlefur Hold • Thistlefur Village • Warsong Labor Camp • Warsong Lumber Camp • Xavian • Zoram'gar Outpost • The Zoram Strand