Oregon State Map- Oregon extends from the Columbia River in the north, through the Cascade Mountains with their volcanoes and Crater Lake (at 1,932' deep, it's the deepest lake in the United States), to the Klamath Mountains in the south and the extensive farm and ranch country of the Columbia Plateau in the east. Elevations are represented by color, and this, in combination with our relief shading technique, gives the map a 3-dimensional look. 42 inch by 56 inch in size. 1:500,000 Scale. Available as a poster ready for hanging or framing, and as a laminated poster. Click here to Contact Us Gift Wrap is not available with this item. Take advantage of our bargain price with a significant discount from manufacturer retail! Product Number: RAORL01