Wallula Gap

In mid-October 1805, Lewis and Clark's expedition first laid eyes on a huge water gap in the cliff formations just south of the meeting point of the Columbia and Walla Walla Rivers. Located by small town Wallula, Washington, river waters ...

Rock Fort Campsite

Travelling on the Columbia River between Washington and Oregon, around what is now The Dalles, the Corps of Discovery fought large rapids and rough waters. Clark described the condition of the river as rough with many rocks within the stretch ...

Les Shirley Park and Cannon Beach

Les Shirley Park, in the city of Cannon Beach, commemorates the arrival of Lewis and Clark’s expedition, the Corp of Discovery, to the Pacific Coast and marks their furthest southern travel along the coast.

While waiting for a trading vessel ...

Mud Volcano and Dragon's Mouth Spring

Upon their journey for the gold mines along the Salmon River, the Washburn Expedition discovered Dragon’s Mouth in 1870. Dragon’s Mouth underwent several name changes since its discovery and christening as “Cave Spring” by Warren Gillette, a member of the ...

Nez Perce National Historical Park

The Nez Perce Historical Park is comprised of thirty-eight sites spread through Washington, Oregon, Idaho, and Montana. Of these sites, three received notoriety as visited by Lewis and Clark. The Corps of Discovery passed through Nez Perce country during the ...

Yellowstone National Park

Yellowstone National Park is North America’s first National Forest. On March 1 1872, President Ulysses S Grant signed a bill making Yellowstone the first federally protected landmass in the United States. The park boundaries span an area larger than the ...

Packer Meadows

Packer Meadows is located on the Lolo Trail near the present day Idaho and Montana border. The Nez Perce tribe utilized the Lolo Trail in order to pass through the Bitterroot Mountains and reach buffalo country. The Lewis and Clark ...

Ecola State Park

Named after the Chinook word for “whale,” Ecola State Park is located on the Pacific Coast of Oregon. During the winter of 1805-06 the Lewis and Clark Corps of Discovery camped at nearby Fort Clatsop. On January 6, 1806, William ...

Midway Geyser and Grand Prismatic Spring

The Midway Geyser Basin is located in Yellowstone National Park, and is part of the largest collection of geysers in the world. Midway features the Excelsior Geyser, which discharges more than 4,000 gallons of water per minute, as well as ...

Fort Pierre and Farm Island

The Fort Pierre plain is located on the western side of the Missouri River in the city of Pierre, South Dakota. Native American tribes and fur traders appreciated the area’s level terrain that provided easy access to the Missouri River, ...