American Border Peak is a mountain just south of the US

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

-Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 border, in the North Cascades

North Cascades

The North Cascades are a section of the Cascade Range of western North America. They span the border between the Canadian province of British Columbia and the U.S. state of Washington and are officially named in Canada as the Cascade Mountains...

 of Washington state, with a corresponding sister peak, Canadian Border Peak

Canadian Border Peak

Canadian Border Peak, , originally known simply as Border Peak, is a mountain at the head of Slesse Creek in the Cascade Mountains of the Lower Mainland of British Columbia, Canada. As its name suggests, it is near the United States-Canada border and is connected via a high ridge or col to...

, just north along a col

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 connecting to it across the border. It is located within the Mount Baker Wilderness

Mount Baker Wilderness

Mount Baker Wilderness in northern Washington, USA,contains . Its eastern border is shared with the boundary of the North Cascades National Park for a distance of 40 miles . The Wilderness extends from State Route 20 north to the Canadian border...

, part of the Mount Baker-Snoqualmie National Forest

Mount Baker-Snoqualmie National Forest

The Mount Baker-Snoqualmie National Forest in Washington extends more than along the western slopes of the Cascade Range from the Canadian border to the northern boundary of Mount Rainier National Park. Forest headquarters are located in the city of Everett....

, near North Cascades National Park

North Cascades National Park

North Cascades National Park is a U.S. National Park located in the state of Washington. The park is the largest of the three National Park Service units that comprise the North Cascades National Park Service Complex. Several national wilderness areas and British Columbia parkland adjoin the...

. It is notable for its large, steep local relief; however it's somewhat rotten rock makes it less appealing to climbers than nearby Slesse Mountain

Slesse Mountain

Slesse Mountain, usually referred to as Mount Slesse, is a mountain just north of the US-Canada border, in the Cascade Mountains of British Columbia, near the town of Chilliwack. It is notable for its large, steep local relief. For example, its west face drops over to Slesse Creek in less than ....

.