1. the consist of uplifted plateaus and ranges in the southeastern corner of the state. okanogan highlands willapa hills olympic mountains blue mountains 2. the okanogan highlands, in the northeast, are an extension of the rocky mountains cascade mountains canadian mountains columbia basin 3. occupying most of central washington, the is bordered by the cascades to the west puget sound lowlands columbia basin okanogan highlands blue mountains 4. the east of the puget sound lowland, has the state’s highest elevations the coast cascade mountains columbia basin blue mountains 5. the stretches southward from canada between the olympic mountains and the cascade range puget sound lowland cascade mountains willapa hills okanogan highlands 6. the parallel the coast from grays harbor to the columbia river in the southwest. cascade mountains the willapa hills the puget sound lowland the blue mountains 7. the most northwestern region is known as the okanogan highlands the cascades the coast the willapa hills 8. washington has natural regions 5 6 7 8 9. areas within a rainshadow receive annual precipitation than areas not in the rainshdow more less 10. eastern washington is in the mountains rainshadow olympic cascade 11. seattle lies in the rainshadow olympic mountains cascade mountains 12. in order to have a rain shadow the following is needed sun, mountains, wind ocean, flat lands, wind ocean, wind, mountains rain, wind, mountains