Fishing in
Petroleum County
Petroleum County, Montana has 38 named fishable waters, 1 of them with stocking records on the books.
On the map
37 waters
Waters in Petroleum County
- Yellow Water Reservoirreservoir1× stocked
- Wild Horse Lakelake1,929 ac
- Petrolia Lakereservoir486 ac
- Little Bear Lakelake140 ac
- Headman-Field Reservoirreservoir0 ac
- Alkali Creekstream
- Alkali Creekstream
- Bender Creekstream
- Blood Creekstream
- Box Elder Creekstream
- Brush Creekstream
- Buffalo Creekstream
- Cat Creekstream
- Cottonwood Creekstream
- Dovetail Creekstream
- Drag Creekstream
- Dry Blood Creekstream
- Dry Creekstream
- Duck Creekstream
- Elk Creekstream
- Flatwillow Creekstream
- Fords Creekstream
- Maginnis Creekstream
- McDonald Creekstream
- Mud Springs Creekstream
- North Fork Yellow Water Creekstream
- North Maginnis Creekstream
- North Willow Creekstream
- Petrolia Lakereservoir
- Pike Creekstream
8 more on the map above.
What you'll catch here
- Rainbow Trout1 waters
Latest stockings
- Yellow Water ReservoirRainbow TroutMay 22, 2026
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Petroleum County fishing — FAQ
Where can I fish in Petroleum County, Montana?+
Petroleum County has 38 named fishable waters, 1 with stocking records. The map above shows every one.
What fish are stocked in Petroleum County?+
Waters in Petroleum County hold rainbow trout. See each water's page for its full stocking history.
Do I need a license to fish in Petroleum County?+
Yes — Montana requires a fishing license statewide. Buy one from the state agency before you go.