by the native americans.
Lewis and Clark were the two explorers that led the expedition over the Rocky Mountains to the Pacific.
Lewis and Clark went over them first, so obviously them!
I believe it is Lewis and Clark
The Lewis and Clark Corps of Discovery traveled over the Rocky Mountains and the Bitterroot Range during their expedition in the early 19th century. These mountain ranges presented significant challenges for the explorers as they journeyed westward.
Lewis and Clark had to travel over the Rocky Mountains during their expedition. They crossed the Bitterroot Range in present-day Montana and Idaho, encountering rugged terrain and harsh weather conditions along the way.
trail over Bitterrroot Mountains
Lewis and Clark faced the Rocky Mountains during their exploration of Oregon and Washington. This mountain range presented a significant obstacle to their journey as they crossed over rugged terrain and navigated through mountain passes.
Lewis and Clark followed the Missouri River westward from St. Louis, Missouri, then crossed the Rocky Mountains and descended the Columbia River to reach the Pacific Ocean. Their journey covered about 8,000 miles over the course of two years, from 1804 to 1806.
Lewis and Clark had to overcome the Missouri Falls, where they had to carry their supplies over and around. The Missouri Big Bend, which was loaded with sand bars so their slaves had to get out and pull the boats across. And the Rocky Mountains, a huge mountain range with no fast traveling river through it.
Sacagawea, Shoshone Native American woman, acted as translator and guide for the Lewis and Clark Expedition in 1805 and 1806. She is generally credited with leading the expedition over the rockies.Another View:The expression 'led' in relation to exploration expeditions in normal language refers to the expedition leaders, not the guides.So the answer is Lewis and Clark.
The rocky mountains spread over 4800 kilometers The Rocky Mountains spread over 4800 kilometers.
The Corps of Discovery, led by Lewis and Clark, traveled over the Rocky Mountains during their expedition to the Pacific Ocean in the early 1800s. They also crossed the Bitterroot Range, a sub-range of the Rockies, on their journey.