Sauvie Island, also known as Wapato Island, is the largest island within Oregon's Columbia River, measuring a total of 26,000 acres. The Manhattan-sized island is one of the United States' largest river islands, known as a popular natural excursion destination throughout the Portland region. It sits at the confluence of the Columbia and Willamette Rivers, located less than 10 minutes from Portland's downtown district.

Visitors can explore the 2.4-mile Oak Island Nature Trail, which winds through fields near Steelman and Sturgeon Lakes and showcases stunning 500-year-old Oregon white oak trees and black-capped chickadees. The two-mile Wapato Access Greenway State Park Trail is home to Douglas fir trees, mammoth bigleaf maples, and populations of bald eagles, while the seven-mile Warrior Rock Lighthouse Trail is home to the state's smallest lighthouse. The island is also known for its pick-your-own farms, including Kruger's Farm, which hosts weekly summer concerts.