The park is primarily forested with coniferous trees and dense woodland vegetation. It has marshlands, wetlands, streams, lakes and Chuckanut Mountain. The area is known for chuckanut sandstone.
| | • Cedar • Douglas Fir • Hemlock • Yew • Alder • Apple • Ash • Birch • Cherry • Maple • Daisy • Rhododendron • Berries • Eel Grass • Ferns • Moss or Lichens • Seaweed • Thistle
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