Petroleum County, Administrative division in Montana, US.
The county extends across 1,674 square miles of rolling plains that meet river breaks near the Musselshell and Missouri Rivers.
The territory became the last of Montana's 56 counties in 1925, following its separation from Fergus County after oil discovery at Cat Creek.
The region maintains strong ties to ranching traditions, with cattle and sheep production forming the foundation of local agricultural activities.
Montana Highway 200 serves as the primary transportation route through the county, connecting residents to essential services in neighboring regions.
With 496 inhabitants recorded in 2020, this county holds the position of least populated in Montana and eighth least populated in the United States.
GPS coordinates: 47.06065,-108.27696
Latest update: March 2, 2025 20:29
Lewis and Clark National Historic Trail
119.4 km
American Prairie Reserve
96.1 km
Fort Peck Lake
145.2 km
Charles M. Russell National Wildlife Refuge
107.7 km
Lake Elmo State Park
136.9 km
Hell Creek Recreational Area
121.7 km
Fred Robinson Bridge
70.5 km
UL Bend National Wildlife Refuge
65.9 km
War Horse National Wildlife Refuge
24.4 km
Hailstone National Wildlife Refuge
136.2 km
Fergus County High School
87.1 km
Great Plains Dinosaur Museum and Field Station
147.9 km
Yucca Theatre
116.9 km
Milwaukee Road Historic District
137.5 km
Judith Landing Historic District
126.5 km
Masonic Temple
87.2 km
Roundup Central School
71.3 km
Lavina State Bank
99.1 km
St. Benedict's Catholic School
71.3 km
Phillips County Carnegie Library
147.7 km
Lewistown Central Business Historic District
87.4 km
Cat Creek Oil Field Sign
21.1 km
Abraham and Mary Walton Hogeland House
87.6 km
Ervin Homestead-Gist Bottom Historic District
99.6 km
Lewistown Courthouse Historic District
87.5 km
Anderson House
87.6 km
Lewistown Silk Stocking District
87.2 km
Huntoon Residence
87.2 kmReviews
Visited this place? Tap the stars to rate it and share your experience / photos with the community! Try now! You can cancel it anytime.
Discover hidden gems everywhere you go!
From secret cafés to breathtaking viewpoints, skip the crowded tourist spots and find places that match your style. Our app makes it easy with voice search, smart filtering, route optimization, and insider tips from travelers worldwide. Download now for the complete mobile experience.
A unique approach to discovering new places❞
— Le Figaro
All the places worth exploring❞
— France Info
A tailor-made excursion in just a few clicks❞
— 20 Minutes