The Pacific Mountain System is a major mountain range located along the western coast of North America. It stretches from northern British Columbia in Canada down to southern California in the United States. This system includes several notable ranges, such as the Coast Mountains, Sierra Nevada, and the Cascade Range, which are characterized by rugged terrain and diverse ecosystems. The region is known for its stunning landscapes, including towering peaks, deep valleys, and lush forests. The Pacific Mountain System plays a crucial role in the climate and hydrology of the area, influencing weather patterns and providing vital water resources for both wildlife and human populations.