The Columbia Mountains are a major mountain range located in southeastern British Columbia, Canada. They are part of the larger Canadian Rockies and stretch approximately 1,000 kilometers (620 miles) from the U.S. border to the north. The range is known for its rugged terrain, deep valleys, and numerous glaciers, making it a popular destination for outdoor activities such as hiking, skiing, and wildlife viewing. This mountain range is home to several notable peaks, including Mount Columbia, which is the second-highest peak in the Canadian Rockies. The Columbia Mountains also encompass various national parks, such as Glacier National Park and Yoho National Park, which protect the unique ecosystems and diverse wildlife found in the region.