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Before Lewis met up with Clark, he began the expedition on August 30, 1803 in Pittsburgh PA. Lt. William Clark would offer to join Lewis on the expedition weeks later on October 13, 1803 at Camp Dubois (in present-day Indiana). From there, they sailed down the Ohio River towards St. Louis. In spring 1805, they continued to the headwaters of the Missouri River, struggled across the Continental Divide, and headed west along the Salmon, Snake, and Columbia Rivers to the Pacific. They landed at the mouth of the Columbia River, Astoria, Oregon. The expedition then ended on September 23, 1806 upon their return to St. Louis from Oregon.

If you believe that the expedition began in Pittsburgh, then it took 2 years and 25 days.

If you believe that the expedition began when Clark joined then it took 1 year 11 months and 11 days.

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Q: How long did the expedition took Lewis and clark?
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Related questions

Where was Lewis and clark's journey take place?

The Lewis and Clark expedition took place in Platys burgh


How long was the packing for the Lewis and Clark expedition?

They traveled 3000 miles. it took them 1 and a half years


What is the route that the Lewis and Clark expedition took?

South Pass.


What was the reason that Lewis and Clark took the expedition?

The reason they went on the expedition was to find the Pacific Ocean.


What was the purpose of the journey that Lewis and Clark took?

The purpose of the Lewis and Clark expedition, or Corps of Discovery , was to find a water route to the Pacific Ocean.


How long was the Lewis and Clark Expedition?

The Lewis (Meriwether Lewis;29) and Clark (William Clark;33) expedition took exactly 2 years, 4 months, and 9 days. Sacajawea was with them 2 years of the trip. They thought it would only take till the fall (they started in march), but they didn't realize how big the land was


What was Sacajawea's job during the the Lewis and Clark expedition?

She really didn't have a "job" but volunteered to show the expedition route and took them to her brother.


Witch event took place because Jefferson wanted to find out about the west?

Lewis and Clark launched an expedition.


When did the Lewis and Clark expidition start and end?

The Lewis and Clark Expedition began on May 21, 1804 and ended in September of 1806. It took over one year to plan before group actually left.


How long was Lewis and Clark's expedition in days months and years?

To answer that question, I have to say first that it did not begin in St. Louis, because before Lewis met up with Clark, he began the expedition on August 30, 1803 in Pittsburgh PA. Lt. William Clark would offer to join Lewis on the expedition weeks later on October 13, 1803 at Camp Dubois (in present-day Indiana). They then named their team the 'Corps of Discovery'. From there, they sailed down the Ohio River towards St. Louis. The expedition then ended on September 23, 1806 upon their return to St. Louis from Oregon.If you say the expedition began on October 13, 1803 when Clark joined in, the expedition took about 2 years, 11 months, and 10 days.If you say the expedition began when Lewis first left Pittsburgh on August 30, 1803, then the expedition took about 3 years and 25 days.


Who were the leaders of the corps discovery?

Meriwether Lewis and William Clark (Lewis and Clark) were commissioned by president Thomas Jefferson to explore the Mississippi-Missouri Valley and study the route to the Pacific. Their expedition took place between 1804 and 1806.


Who were leader of the corps of Discovery?

Meriwether Lewis and William Clark (Lewis and Clark) were commissioned by president Thomas Jefferson to explore the Mississippi-Missouri Valley and study the route to the Pacific. Their expedition took place between 1804 and 1806.