North Cascades National Park, Washington

North Cascades National Park is a United States National Park located in the state of Washington. North Cascades National Park is the largest of the three National Park Service units that comprise the North Cascades National Park Complex, which together encompass an area of over 680,000 acres (280,000 ha). National Forests, several national wilderness areas and British Columbia, Canada parkland adjoin the park. The park features rugged mountain peaks of the North Cascade Range, the most expansive glacial system in the contiguous United States, the headwaters of numerous waterways and vast forests with the highest degree of flora biodiversity of any U.S. national park.