Tobacco River flows in at Rexford Creeks flowing west into Koocanusa:
• Pinkam
• Sutton
• McGuire
• Ten Mile
• Five Mile
• Warland
• Cripple Horse
• Canyon
• Dunn
Creeks flowing east into Koocanusa:
• Young
• Dodge
• Sullivan
• Boulder
• Gold
• Big
• Parsnip
• Ural
• Bristow
• Barron
• Jackson
• Souse
• Alexander (at dam)
Fisher River flows into Kootenai at Blackwell Flats Creeks flowing west into the Fisher River:
• Butler
• Alder
• Cody
• Cow
• Snell
• McKillop
• Smoke
• Brulee
• Hunter
• Sedlak
Creeks flowing east into Fisher River:
• Peoples
• Buck
• Doe
• Fawn
• Pecolet
• Brush
• Harris
• Leckrone
• Tepee
• Spring
• Schrieber
• Miller
• West Fisher Creek
Libby Creek flows into Kootenai —
east Cabinet creeks draining into Libby Creek which drains into Kootenai:
• Ramsey
• Poorman
• Cable
• Bear
• Big Cherry
• Snowshoe
• Leigh
• Smearl
• Deep
• Snow
• Granite
• Shaughnessy
• Prospect
• Flower
• Parmenter
• Cedar
• Williams
Drainages west into Libby Creek into Kootenai:
• Coyote
• Tepee
• Cowell
• Elliot
• Swede
Vermilion River drains into Clark Fork River Creeks draining into Vermilion from south:
• Freezeout
• Ice
• Frosty
• Bear
• Grouse
• Cataract
Creeks flowing into Vermilion from north:
• Willow
• Spring
• Sims
• Lyons
• Canyon
Major drainages into Clark Fork River; Noxon Reservoir; Cabinet Gorge Reservoir — Draining northeast Creeks
• Beaver
• White
• Pine
• Trout
• Marten
• Pilgrim
• Elk
Drainages southwest into CFR; NR; and CGR:
• Blue
• Big Eddy
• Blacktail
• Dead Horse
• Swamp
• McKay
• Rock
• Government
Draining west:
• Basin
• Copper
• East Fork Bull River
• Berray
• South Fork of Bull River
• Middle Fork Bull River
• North Fork Bull River
Draining east:
• Napoleon Gulch
• Star Gulch
• Hamilton Gulch
• Dry Creek
• Smokey Creek
Drains west from Cabinet Mountains:
• Noggle
• Upham
• Payne
Drains East from Scotchman Peaks:
• Ross Creek
• Weasel Gulch
• Emma Gulch
Lake Creek drains north from Bull Lake into Kootenai River Drainages, west into Lake Creek:
• Spring
• Camp
• Porcupine
• Twin
• Felix
• Swanson
• Falls Creek
Drainages east from Scotchman Peaks into Lake Creek:
• Thicket
• North Fork Keeler
• Keeler
• South Fork Keeler
• Copper
• Iron Creek
Drainages flowing northeast from Scotchman Peaks (Idaho) into Kootenai River near Troy, Montana:
• Callahan
• Brush
• Ruby
• Star
Drainages from north of Libby, Montana flowing south into Kootenai River:
• Rainy Creek
• Pipe Creek
• Bobtail
• Quartz
• West Fork Quartz
• Dad
• Burrel
• China
• Lynx
• O’Brien
Yaak River drains into Kootenai River northwest of Troy, Montana — Main Drainages flowing west into Yaak River:
• Kilbrennan Creek
• Arbo
• Seventeen Mile
• Independence Creek
• Burnt
• Pheasant Creek
Main Drainages flowing east-northeast & southeast into Yaak River:
• Tepee Creek
• Pine
• Wampoo
• Fourth of July Creek
• Cyclone Creek
• Red Top
• Meadow
• North Fork of Meadow
• Hellroaring
• Spread
• Whitetail
• Pete Creek
• Hensley
• Lap
• Waper
West Fork of Yaak River:
• Benefield
• Creek
• French
East Fork of the Yaak River
Draining south and west:
• Wood
• Blacktail
• Caribou
• Lime Creek
• Windy
• Solo Joe
• West Fork Creek
• Porcupine Creek
South Fork Yaak drains north from Flatiron Mountain main creeks flowing east into South Fork Yaak:
• Clay
• Dutch
• Zulu
• Kelsey
• Fowler
• Beaver
Major creeks draining west into Pipe Creek:
• Shafer Creek
• Noisy
• Blue
• Rice
• Doak
Major creeks draining south into Chain of Lakes:
• Twin Creek
• Lang
• Tullulah
• Boiling Springs
• Davis
Thompson River connects to Thompson Lakes
Major creeks draining southwest into Tobacco River:
• Indian
• Sinclair
• Therrialt
• Graves
• Fortine - Fortine, Montana
• Murphy - Murphy Lake, Montana
Sunday Creek to Stillwater River near Stryker, Montana,
Little Wolf Creek drains into Wolf Creek
• Weigal
• Dry Fork Creek
• Syrup
• Backus
• Richards Creek
• Ariana Creek
Main creeks draining north and west into Wolf Creek:
• Brush Creek
• Sinclair
• Calx
• Tamarack
• Kavalla
Island Creek drains into Pleasant Valley Fisher River from Island Lake, Little Bitterroot River drains south from Little Bitterroot Lake