I think they traveled both equally because they hiked through the Appalachin Mts. for a long while, but the parts they could canoe\boat through they did.
Canoe, horse, foot
by foot and horse
In a 55 foot long keelboat and two smaller pirogues.
No, Lewis and Clark's expedition to explore the western United States from 1804 to 1806 primarily used boats to navigate the rivers and trails on horseback for overland travel. They were not on foot for the entirety of their journey.
In a 55 foot long keelboat and two smaller pirogues.
they used a keel-boat on water and on land they were by foot.
Foot, horse, canoe
The easy answer is an expertly carved canoe that was black on the outside and red on the inside - the bow always has a head a little bit like a dog's head. Lewis and Clark took a Chinook canoe in 1860. The descendants of Wm. Clark returned a 38 foot replica canoe to the Chinook Tribe on 2011
They travelled by canoe, and on foot.
In canoes and on foot.
They certainly did. Horses were used a pack animals in the rough country, and for riding when they crossed the flat plains. They also had 1 Keeled boat light strong at least 60 feet in length her burthen equal to 8 tons, a large wooden canoe, walked, climbed, and used pirogues.
Lewis and Clark explored the northerly land west of the Mississippi River by foot.