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A Mountain on an Island

The pinnacle of Moran State Park, Mount Constitution, rises 2,407 feet directly from sea level to the second highest point on an oceanic island in the contiguous 48 US states. The rocks that make up the heights of Mount Constitution began as lava erupting on the ocean floor or slowly accumulating sediments formed by skeletons of marine microorganisms, windblown dust and volcanic ash settling to the ocean floor. The pillow basalts, chert and shale seen at rocky exposures in the park are evidence of these events.

Between the Mountains and the Sea

Dosewallips State Park features extensive tidelands at the mouth of the Dosewallips River on Hood Canal. Erosion of the Olympic Mountains to the west combined with the steep gradient of the river carries a large quantity of sediment downriver. Silt, sand and gravel are deposited by the river when it reaches the flatter terrain in the park, naturally braiding its riverbed with many channels as it flows towards Hood Canal. The large fan of sediment and mud at the river’s mouth has long been a rich estuary.

Fields Spring State Park has long been a summer oasis of wildflower-filled forest and a winter paradise for snowshoers and skiers. The park occupies a corner of the Blue Mountains, rising high above the arid landscape of the Columbia Plateau below.

Joemma Beach State Park provides access to the shores of southern Puget Sound. The sinuous saltwater passageways of the South Sound, including Case Inlet in front of the park, were molded and scoured by glacial meltwaters at the close of the Pleistocene ice age.

The Spokane River flows west from its source at Coeur d’Alene Lake through the Spokane Valley. After it tumbles over its namesake waterfalls in its namesake city, it bends to the northwest and meanders through a spectacular canyon described by some as the “Grand Park of the Spokane.”

A Rain-fed River Runs Through It

Bogachiel State Park hugs the bank of the Bogachiel River (locally known as the “Bogie”) on the northwestern reaches of the Olympic Peninsula, providing recreational opportunities on the windward slope of the Olympic Mountains. Storms and moisture rise as they are forced up over the Olympic Mountains from the Pacific Ocean. When the moist air rises, it expands and cools. The colder air is less able to hold moisture, so clouds and precipitation form. Bogachiel State Park averages over 120 inches of annual precipitation!