EuroGraphics Multnomah Falls, Oregon 1000-Piece Puzzle. Box size: 10" x 14" Puzzle Dimensions: 19.25" x 26.5". Multnomah Falls is the tallest waterfall in the state of Oregon and one of the tallest in the United States. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.