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On the Trail
June 20, 1803
Jefferson's instructions
In Washington City, the final draft of President Jefferson's instructions for the Western Expedition is complete. His directives include geography, ethnography, diplomacy, commerce, natural history, vaccinations, and safety. He also promises open letters of credit to use as needed.
June 20, 1804
York nearly blinded
On the red pirogue, Pvt. Whitehouse says he and the engagés have difficulty rowing against the current—at one point having to walk the boat upstream. On another boat, Sgt. Ordway sees crab apple trees on the shore. At camp near present Lexington, Missouri, York is nearly blinded when one of the men throws sand in his eyes.
June 20, 1805
Planning the portage
At the Great Falls of the Missouri, Clark plans a route to portage the dugout canoes. He is stumped as to where to cross present Box Elder Creek, and he reports loud cannon-like noises from the north. At Lower Portage Camp, Lewis has the enlisted men build up a store of dried bison meat, and Sacagawea continues to recover.
June 20, 1806
Alternate plans
At Salmon Trout Camp on the western end of the Northern Nez Perce trail, the captains consider alternate plans to cross the Rocky Mountains. Because Bitterroot Mountain snows are so deep, they decide to return to Weippe Prairie and wait for more melting.
Eastern Beginnings
10 January–30 August 1803
The Lewis and Clark Expedition ostensibly began in February 1801 when President Thomas Jefferson wrote a letter to Army commander General James Wilkinson requesting that Lieutenant Meriwether Lewis become the President’s personal secretary. Exploration of North America’s western half had long been a goal of the president, and now he had a young protégé who might lead such an expedition.
On 18 January 1803, Lewis hand-delivers to the U.S. Congress the President’s request to fund what would become known as the Lewis and Clark Expedition. The President works in Washington City and Monticello to craft instructions and line up the best talent to assist Lewis. In France, three diplomats negotiate with Napoleon Bonaparte to purchase the Louisiana Territory.
Meriwether receives training, supplies and equipment in Philadelphia and avails himself of armaments and specialized equipment—including a collapsable iron-framed boat—at the Schuylkill and Harpers Ferry arsenals. By July 1803, everything is at Fort Fayette in Pittsburgh. All Lewis needs is a large boat to carry everything down the Ohio. He also needs to know if William Clark will accept his invitation to join him.
Day-by-Day Pages In-depth Articles
Up the Missouri
14 May–20 July 1804
On 14 May 1804—after more than a year of preparation and travel—the boats leave Camp River Dubois and head up the Missouri River. At St. Charles, the two captains, Clark’s slave York, interpreter George Drouillard, eight or nine French engagés, 34 enlisted men, and Lewis’s dog Seaman depart in three boats: the barge and two large pirogues.
Everyone quickly learns of the struggles and hazards of moving up the Missouri with its many sawyers and sandbars. Despite the overloaded boats and several close calls, they safely pass many landmarks made familiar by earlier traders from St. Louis.
Crossing the present state of Missouri and then heading north along the Kansas-Missouri border, they pass the homelands of the Omaha, Kansa, Otoe, and Pawnee. On 21 July, they reach the mouth of the Platte where only a handful of traders had ever continued north towards the Knife River Villages.
Day-by-Day Pages In-depth Articles
Portaging the Falls
13 June–12 July 1805
On 12 June 1805, Lewis leaves Decision Point at the mouth of the Marias to find the Great Falls of the Missouri. He finds them “truly magnifficent and sublimely grand”.
After traveling separate routes from Decision Point, Clark and Lewis reunite at what would become known as Lower Portage Camp. Clark leaves to survey a portage route, and Lewis attends to Sacagawea whose condition has become “Somewhat dangerous”.
Wheels and trucks are built from cottonwood trees, and the dugouts are hauled two miles up Belt Creek. Lewis leads the first canoe overland to the White Bear Islands where he focuses on construction of the iron-framed boat.
Several trips are needed—as are several truck repairs—to get all the canoes and baggage to the upper portage camp. While site seeing during the last stage, Clark, Sacagawea, and Jean Baptiste are nearly swept away in a flash flood.
Celebrating the Fourth of July, they drink the last of whiskey. Then, due to a lack of pitch pine in the area, the cover of the iron-framed boat leaks too much water to be of practical use and is cached.
Clark moves a few miles up the river and his crew builds two more canoes so that they can continue up the Missouri.
Day-by-Day Pages In-depth Articles
Roads to the Buffalo
10 June–14 July 1806
With the acquisition of horses, Native Nations crossing the Rocky Mountains to hunt for bison became more common. Two of their trails are used by the captains—in separate groups—to return to the bison-rich plains.
After crossing the Bitterroot Mountains on what is known today as the Lolo Trail, the expedition divides forces at Travelers’ Rest. Lewis takes one group east and north up the Blackfoot River and then over Lewis and Clark Pass. They return to their old camp above the Great Falls of the Missouri to retrieve supplies and specimens cached there.
From Travelers’ Rest, Clark goes up the Bitterroot River and crosses the Continental Divide at present Gibbons Pass. They cross the Big Hole Valley and return to Fortunate Camp where they had cached tobacco, food, and most of the canoes.
At the Headwaters of the Missouri, Sgt. Ordway’s detachment paddles the canoes down the Missouri destined for the portage of the Great Falls. Clark’s group–along with all the horses—travel up the Gallatin River valley on their way to the Yellowstone River.
Day-by-Day Pages In-depth Articles
Featured Members
Toussaint Charbonneau
Interpreter
The fur trade had put Charbonneau in place to meet the captains and join their expedition. He was the oldest expedition member would outlive most of his fellows as he followed the rigorous life of a fur trader, guide, and interpreter.
Nathaniel Pryor
Sergeant
Pryor was assigned several special missions from exploring the Sandy River to escorting Mandan Chiefs to Washington City. He would barely survive his adventures on the Yellowstone River.
Reubin Field
Private
Reubin and his brother Joseph (about a year older) were among the best hunters, but Reubin was possibly the better shot. He was, at least, at Camp Dubois on 16 January 1804, when Clark’s men set up a shooting match with some local residents.
Quick Links
Meriwether Lewis William Clark Sacagawea York Jean Baptiste Charbonneau Seaman All Members
Native Nations Encountered
Northwest Coast
Plateau / Southwest
Northeast
Featured Artist: John Mix Stanley
The Bears Tooth
Fort Owen—Flathead Village
Lolo Hot Springs
The American portraitist, artist and illustrator John Mix Stanley (1814-1872), served as one of the official artists with the Stevens railroad survey party to the Northwest. His record of highlights along the route often combined documentary verisimilitude with romantic fantasy.
More
A Military Corps
Throughout the expedition the soldiers were expected to conform to the rules and routines of the frontier soldier of 1803.
The Fur Trade
Given President Jefferson’s directive to establish commerce, the captains worked extensively within a long-established network of North American fur trade. Part of their mission was to help establish the United States of America’s position within that industry.
Calendar
Expedition Calendar
Links to every day-by-day page in a calendar format spanning 31 August 1803 to 26 September 1806. A page every day!
Louisiana’s Purchase
The President’s representatives in Paris had bargained successfully with Napoleon’s bureaucrats not only to buy the port of New Orleans, then the keystone of the continent, but also to acquire, at three cents an acre, an area extending from the Mississippi River to . . . where? No one knew until Meriwether Lewis stood at the crest of the Rocky Mountains at a place known today as Lemhi Pass, on 12 August 1805.
Expedition Members
Trail Diplomacy
Lewis and Clark left behind among many Indians a legacy of nonviolent contact. Those who came later enjoyed that legacy and too often betrayed it.
People
The success of the Lewis and Clark Expedition was due to its many members and the people they met, including politicians, Eastern gentleman scientists, traders, and the many people already living in the American west.
Tools and Techniques
Medicine on the Trail
From major crisis such as the death of Sgt. Floyd, Lewis’s gunshot wound, and the illness of Sacagawea to minor events such as sexually transmitted diseases, mosquito-born illnesses, and deep cuts, the medical aspects of the Lewis and Clark Expedition provide an interesting topic of study.
Legacies
Legacy is a very slippery sort of term. If we could erase our myth concepts of Lewis and Clark … it might reawaken something really extraordinary in our national consciousness.
Related Explorers
Lewis and Clark were among several significant explorers of North America both before and after the expedition.
The Boats
Starting at Pittsburgh, traveling to the Pacific Ocean, and then returning to St. Louis, the Lewis and Clark Expedition traveled approximately 10,600 miles. Of that, 85%—over 9,000 miles—was by boat. To understand travel in the early 1800 American West is to understand the boats and challenges of river navigation.
Hunting and Fishing
Although hunting and fishing were often considered a ‘gentleman’s sport’ especially in Europe, hunting and fishing for Native Americans and Americans alike were a matter of survival. The success of the Lewis and Clark Expedition depended on the success of its hunters.
Synopsis of the Expedition
by Harry W. Fritz
Horse Travel
To cross the Rocky Mountains, the Lewis and Clark Expedition needed horses and the skills to manage them. Despite their seemingly constant struggle to find missing and stolen horses, as a kind of calvary unit, they left hoof prints on approximately 1,500 miles of western terrain.
Native American Nations
The Lewis and Clark Expedition benefited from the Indians’ knowledge and support. Maps, route information, food, horses, open-handed friendship—all gave the Corps of Discovery the edge that spelled the difference between success and failure.
Language
From clichés and colorful sayings of the time to Native American languages, these pages feature the art of language.
The Arts
Because of the literate journalists, historians and visual artists can tell the Expedition’s story. When they celebrated with song and dance, we too can share in the experience.
Scientific Explorations
Their work in the emerging fields of botany, ethnography, geography, geology, and zoology are now considered classics of early American scientific literature.
The Trail
Starting with its genesis in Jefferson’s Monticello, Lewis’s training and preparations in Philadelphia, and the barge’s excursion down the Ohio River, the route they took, often called the Lewis and Clark Trail, crosses the continent weaving an epic tale of western exploration treasured by many today.
Experience the Lewis and Clark Trail
The Lewis and Clark Trail Experience—our sister site at lewisandclark.travel—connects the world to people and places on the Lewis and Clark Trail.
Discover More
- The Lewis and Clark Expedition: Day by Day by Gary E. Moulton (University of Nebraska Press, 2018). The story in prose, 14 May 1804–23 September 1806.
- The Lewis and Clark Journals: An American Epic of Discovery (abridged) by Gary E. Moulton (University of Nebraska Press, 2003). Selected journal excerpts, 14 May 1804–23 September 1806.
- The Lewis and Clark Journals. by Gary E. Moulton (University of Nebraska Press, 1983–2001). The complete story in 13 volumes.
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Lewis and Clark Trail Alliance
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