Lewis and Clark Expedition

  • Also Known As: Corps of Discovery Expedition
  • National Park Service name: Lewis and Clark National Historic Trail

From the Plains to the Pacific

Between May 1804 and September 1806, 31 men, one woman, and a baby traveled from the plains of the Midwest to the shores of the Pacific Ocean. They called themselves the Corps of Discovery. In their search for a water route to the Pacific Ocean, they opened a window into the west for the young United States. - NPS




Timeline

Y/M/D Description Place
1803/11/11 Lewis and Clark arrive at Fort Massac, expecting to gain eight soldiers who had volunteered for the Corps of Discovery at South West Point, Tennessee, but they were not there. The Corps of Discovery departed Fort Massac on November 13th. Fort Massac State Park, Metropolis
1804/05/00 William Clark shakes hands with his brother George Clark Old Clarksville Site, Clarksville
1804/06/00 Lewis and Clark expedition camp Fort Osage, Sibley
1804/07/21 The Lewis and Clark Expedition passes the mouth of the Platte River, just north of what is now Main Street in Plattsmouth. Plattsmouth, Nebraska
1804/10/00 Westbound Lewis and Clark expedition makes its way up the Missouri River and reaches the five earthlodge villages of the Mandan and Hidatsa tribes. Knife River Indian Villages National Historic Site Archeological District, Stanton
1805/00/00 The Corps, help by the Nez Perce, resupply and carve five canoes in twelve days Canoe Camp, Orofino
1805/07/25 Corps of Discovery reaches the Three Forks of the Missouri Three Forks of the Missouri, Missouri Headwaters State Park
1805/07/30 Corps of Discovery depart Three Forks by floating down the rough and shallow waters of the Jefferson River. Three Forks of the Missouri, Missouri Headwaters State Park
1805/08/08 Sacagawea recognizes Beaverhead Rock as the home of her people, the Shoshones Beaverhead Rock - Lewis and Clark Expedition, Beaverhead Rock State Park
1805/08/09 Near Beaverhead Rock - Lewis, Drouillard, John Shields and Hugh McNeal hike to Beaverhead Rock, looking for the Shoshones. Clark and the others headed down river. Beaverhead Rock - Lewis and Clark Expedition, Beaverhead Rock State Park
1805/08/12 Lewis Advance Party crosses the Continental Divide through Lemhi Pass Lemhi Pass, Tendoy
1805/08/13 William Clark makes a survey Clark's Lookout, August 13, 1805, Dillon
1805/08/13 Lewis Advance Party unfurls the Stars and Stripes west of the Continental Divide First Flag Unfurling Site, Lewis and Clark Trail, Tendoy
1805/08/26 Corps of Discovery crosses the Continental Divide through Lemhi Pass Lemhi Pass, Tendoy
1805/11/15 Corps of Discovery camp at Chinook Point where they see the Pacific Ocean for the first time Cape Disappointment Historic District, Ilwaco
1805/11/25 Corps of Discovery departs from near Chinook Point and travel to a better location, now known as Fort Clatsop in Astoria, Oregon Cape Disappointment Historic District, Ilwaco
1805/12/00 Corps of Discovery build Fort Clatsop and camp from December 1805 to March 1806. Fort Clatsop National Memorial, Astoria
1806/00/00 Captain William Clark and 12 members of the Corps of Discovery walk to Tillamook Head in search of a beached whale near present-day Cannon Beach. Ecola State Park, Oregon
1806/07/22 Lewis Advance Party at Camp Disappointment from July 22 to July 26, 1806 Camp Disappointment, Browning
1806/11/08 Meriwether Lewis and William Clark arrive at Locust Grove, ending their expedition Locust Grove, Louisville
1807/00/00 Thomas Jefferson made the Entrance Hall of the White House a museum to tell about this mysterious west that so fascinated the public. Artifacts brought back by Meriwether Lewis and William Clark and by Zebulon Pike were hung up. The White House, Washington, DC

History »

Preparing for the Journey

Monticello, Charlottesville, VA
Harpers Ferry National Historical Park, West Virginia, Virginia, Marlyand
American Philosophical Society Hall, Philadelphia, PA
Big Bone Lick State Park, Union, KY
Old Clarksville Site, Clarksville, Indiana
Fort Massac Site, Metropolis, Illinois

The Expedition

ILLINOIS

Old Cahokia Courthouse, Cahokia

MISSOURI

Jefferson National Expansion Memorial National Historic Site, St Louis
St Charles Historic District, St Louis
Tavern Cave, St Albans
Rocheport Historic District, Rocheport
Arrow Rock, Saline County
Fort Osage, Sibley

NEBRASKA

Leary Site, Rulo
Fort Atkinson, Fort Calhoun
IOWA
Sergeant Floyd Monument, Sioux City

SOUTH DAKOTA

Spirit Mound, Vermillion

NORTH DAKOTA

Knife River Indian Villages National Historic Site, Stanton
Big Hidatsa Village Site, Stanton
Fort Union Trading Post National Historic Site, Williston

MONTANA

Lewis and Clark Camp at Slaughter River, Missouri River
Great Falls Portage, Great Falls
Tower Rock, Cascade
Three Forks of the Missouri, Three Forks
Beaverhead Rock-Lewis and Clark Expedition, Dillon
Lemhi Pass, (also in Idaho)
Clark's Lookout, August 13, 1805, Dillon
Traveler's Rest, Lolo
Lolo Trail (also in Idaho), Lolo
Nez Perce National Historical Park (also in Idaho), Wisdom
Pompey's Pillar (return trip), Yellowstone River
Camp Disappointment (return trip), Browning
Two Medicine Fight Site (return trip), Cut Bank

IDAHO

Lemhi Pass (also in Montana)
Lolo Trail (also in Montana), Weippe Prairie
Weippe Prairie, Spalding
Nez Perce National Historical Park (also in Montana), Spalding

OREGON

Rock Fort Campsite, The Dalles
Fort Clatsop National Memorial (winter of 1805), Astoria

WASHINGTON

Cape Disappointment Historic District, Ilwaco
Chinook Point, Chinook
Lewis & Clark Trail--Travois Road, Pataha Creek

After The Expedition

Locust Grove, Louisville, Kentucky
Natchez Trace Parkway, Nashville, Tennessee to Natchez, Mississippi. - NPS


Shop Amazon
Google Ad

Google Ad