The City of Gresham is rich in history, diversity, and natural beauty. With a population of more than 109,000, it is the fourth largest city in Oregon and includes the youngest and most diverse neighborhood in the Portland metro region. Located between Portland and the Columbia River Gorge, Gresham was founded by pioneers and has preserved its natural heritage, with more than 900 acres of open space, 300 acres of parks, and 10 miles of trails. Ingenuity is a City hallmark. Gresham is home to a nationally-recognized wastewater treatment plant powered by renewable energy, an award-winning small business incentive program, and a model industrial development review process.