What States Border Montana?

What States Border Montana?

Montana, the fourth largest state in the United States, is located in the Northwestern region and is bordered by several states. These neighboring states include Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and finally, the Canadian provinces of British Columbia, Alberta, and Saskatchewan to the north. With its diverse geography and stunning landscapes, Montana shares its borders with a variety of regions, each offering its own unique charm and attractions. In this article, we will explore the states that border Montana and highlight some of the interesting features and attractions found in each neighboring region.

Bordering States

North Dakota

North Dakota is one of the states that borders Montana. Located to the east of Montana, it shares a border that stretches for approximately 360 miles. The landscape along this border is diverse, with rolling hills, prairies, and the famous Badlands region. The border between Montana and North Dakota is not only defined by the geographical features but also by the cultural and economic ties between the two states. Many people travel across this border for various purposes, including tourism, business, and recreational activities.

South Dakota

To the southeast of Montana lies South Dakota, another neighboring state. The border between Montana and South Dakota is about 275 miles long. This border encompasses a wide range of landscapes, including the Black Hills, which is a popular tourist destination. The border area is known for its scenic beauty, outdoor recreational opportunities, and historical sites such as Mount Rushmore. The proximity between Montana and South Dakota allows for frequent interaction and exchange of goods, services, and experiences.


Montana shares a southern border with Wyoming, stretching for approximately 425 miles. The border region is characterized by vast open spaces, mountains, and national parks. Both Montana and Wyoming are known for their pristine wilderness areas, including Yellowstone National Park, which spans across both states. The border between Montana and Wyoming is significant for outdoor enthusiasts, as it provides access to numerous hiking trails, camping sites, and opportunities for wildlife observation.


To the west of Montana lies Idaho, with a border that spans around 555 miles. The border region features stunning mountain ranges, rivers, and forests. The shared border between Montana and Idaho is not only geographically diverse but also culturally rich. People often cross this border to explore the scenic landscapes, engage in outdoor activities like fishing and hunting, and visit charming towns and cities on either side.

Alberta (Canada)

In addition to its neighboring states, Montana also shares a border with Alberta, a province in Canada. The Montana-Alberta border stretches for about 298 miles. This international border is marked by beautiful natural landscapes, including the Rocky Mountains and Waterton-Glacier International Peace Park. The border between Montana and Alberta serves as a gateway for cross-border tourism, trade, and cultural exchange, enhancing the relationship between the United States and Canada.

The bordering states and international border that Montana shares with North Dakota, South Dakota, Wyoming, Idaho, and Alberta offer a wide range of opportunities for exploration, adventure, and connection. Whether it’s the diverse landscapes, outdoor recreational activities, or cultural exchanges, these border regions contribute to the unique identity of Montana and its neighboring states.

State Boundaries

Northern Boundary

Montana shares its northern boundary with the Canadian provinces of Alberta and Saskatchewan. The border between Montana and Canada stretches over 545 miles, offering stunning vistas of the Rocky Mountains. This boundary is marked by various landmarks, including Chief Mountain and the Sweet Grass Hills.

Eastern Boundary

The eastern boundary of Montana is formed by the states of North Dakota and South Dakota. Stretching over 615 miles, this border showcases the vast prairies and rolling hills of the Great Plains. The boundary is marked by the Yellowstone River, which flows through the eastern region of Montana, providing scenic beauty and recreational opportunities.

Southern Boundary

Wyoming is the state that borders Montana to the south. The southern boundary extends over 305 miles and features a diverse landscape ranging from the majestic peaks of the Bighorn Mountains to the serene beauty of Yellowstone National Park. This border also encompasses the Beartooth Mountains and the Absaroka Range, adding to the natural splendor of the region.

Western Boundary

Idaho forms the western boundary of Montana, spanning approximately 551 miles. This border encompasses a variety of geographical features, including the rugged peaks of the Bitterroot Mountains and the lush valleys of the Clearwater and Salmon Rivers. The western boundary offers outdoor enthusiasts ample opportunities for hiking, fishing, and exploring the pristine wilderness.

Montana’s state boundaries not only define its geographic extent but also serve as gateways to breathtaking landscapes and natural wonders. From the towering peaks of the Rocky Mountains to the expansive prairies of the Great Plains, each boundary offers its own distinct charm and allure.

Montana is a state located in the northwestern region of the United States. It is bordered by several states, including Idaho to the west, Wyoming to the south, North Dakota and South Dakota to the east, and Canada to the north. These bordering states and country play a significant role in shaping Montana’s unique geographical and cultural identity. From the stunning landscapes of Glacier National Park to the historic sites in the city of Helena, Montana offers a diverse range of attractions for both residents and visitors alike. Whether you’re interested in outdoor activities, historical landmarks, or simply exploring the natural beauty of the state, Montana’s bordering states provide easy access to a wealth of experiences.

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