Four years later Robert Gray, a trader from Boston, found the river’s narrow channel and sailed his ship Columbia Rediviva across the bar, discovering that this body of water was indeed a …

Instead of another river, Lewis faced a wall of mountains standing between himself and the Pacific Ocean. At that point, he knew there was no easy water route to the Pacific, at least using the …

The expedition crossed the Continental Divide of the Americas near the Lemhi Pass, eventually coming to the Columbia River, and the Pacific Ocean in 1805. The return voyage began on …

Dec 2, 2025 · They spent the winter near present-day Astoria, Oregon, and started the return journey in March, 1806. The expedition contributed significant geographic and scientific …

Oct 15, 2024 · Traveling down the Clearwater River in five dugout canoes, the Lewis and Clark Expedition entered the present-day state of Washington on October 10, 1805, at the …

Lewis and Clark reached the country of the Nez Perce on the Clearwater River in Idaho, and left their horses for dugout canoes. From there they made their way down the Clearwater, Snake, …

In 1803 CE, fresh from the Louisiana Purchase, President Thomas Jefferson asked his trusted aide Meriwether Lewis to find out what lay between the Mississippi River and the Pacific Ocean.

Jan 30, 2023 · Led by Meriwether Lewis and William Clark, its purpose was to explore territory on the western frontier and find a water route from the Mississippi River to the Pacific Ocean. The …

Lewis convinced William Clark, one of his former military commanders, to join him. In a letter to Lewis, Jefferson explained the journey’s primary mission was to explore the area from the …

Dec 1, 2025 · He focused on locating the Northwest Passage, the fabled water route that connected the Mississippi River to the Pacific Ocean, which he believed might lie at the …