Fort Clatsop

Built in 1805 near present-day Astoria, Fort Clatsop was the winter quarters for the Corps of Volunteers for Northwest Discovery, more commonly known as the Corps of Discovery or the Lewis and Clark Expedition. Sent by President Thomas Jefferson, the Expedition had as its assignment the exploration of the Missouri and Columbia rivers in search of an inland waterway to the Pacific Ocean. They were also charged with gathering as much scientific data as possible on the natural resources and resident populations encountered along their route. Captains Meriwether Lewis and William Clark led the group of thirty-one people, which included Toussaint Charbonneau, a French Canadian fur trader; his Shoshone wife, Sacagawea; their infant son, Jean Baptiste; and Clark's slave, York.

In November 1805, eighteen months after leaving Camp Wood, Illinois, at the mouth of the Missouri River, the Corps reached Cape Disappointment in present-day Washington State and saw the Pacific Ocean for the first time. Inclement weather quickly ended their joy in seeing the ocean. With winter approaching, the entire party, including Sacagawea and York, voted to scout locations for an encampment on the south side of the Columbia, where they could find shelter and game. They chose a spot two miles up the present-day Lewis and Clark River, a site that offered access to a freshwater spring and shelter from the harsh weather. It was also close to the river and the coast, where they could establish a salt works and keep watch for trade ships.

Construction of the fort began on December 9, and the Corps moved in on Christmas Day. The fort, located in the homeland of the Clatsop people, was the first American military structure built west of the Rocky Mountains.

Clark described Fort Clatsop as fifty feet square with parallel cabins. One cabin contained three rooms for enlisted men's quarters; the other contained the captains' room, a family room for the Charbonneaus, an orderly room, and a storeroom. The space between the facing cabins formed a parade ground, with gates installed at each end.

Winter at Fort Clatsop meant constant hunting and gathering. Hides were made into moccasins and coverings to replace the Expedition's ruined and worn-out supply. A party sent to the ocean rendered salt from seawater, and members of the Corps visited and traded with local Clatsop and Chinook people. During their three months at Fort Clatsop, the captains recorded some of their most important scientific, cartographic, and ethnographic information in their journals.

In the 106 days spent at Fort Clatsop, there were only twelve without rain and only six with sunshine. Journal entries complain of fleas, illness, and incessant rain. Their general discomfort and the movement of elk herds persuaded the Expedition to return upriver on March 23, 1806, rather than waiting until April 1, the departure date originally set by the captains. They bid farewell, leaving "our houses and furniture" to Clatsop Chief Coboway.

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Further Reading

Cannon, Kelly. Fort Clatsop National Memorial Administrative History. Washington, D.C.: National Park Service, U.S. Government Printing Office, 1994.

Dattilio, Daniel. Fort Clatsop: The Story Behind the Scenery. Las Vegas: KC Publications, 1986.

Josephy, Alvin M. Jr. Lewis and Clark through Indian Eyes: Nine Indian Writers on the Legacy of the Expedition. New York: Vintage Books USA, 2007.

Mouton, Gary E., ed. The Definitive Journals of Lewis and Clark. Vols. 5 and 6. Lincoln: University of Nebraska Press, 1988, 1990.


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This entry was last updated on March 17, 2018