Fort Mandan State Historic Site

English: Victoria Stauffenberg, Public domain, via Wikimedia Commons; Image Size Adjusted

Reconstructed 1804 winter encampment of the Lewis and Clark Expedition featuring interpretive exhibits, guided tours, and riverside trails.

General Information

Hours:
April – September: Tue – Sun, 10 AM – 5 PM
Closed October – March
Fees:
Adults: $8
Students (K–College): $5
Children under 5 and members: Free
Pet Policy:
Leashed dogs are welcome inside the visitor center
Seasons:
Spring through early fall
Location:
Fort Mandan State Historic Site, Washburn, ND 58577
Website:
history.nd.gov

From Bismarck, ND (40 mi): Take US-83 N to Washburn, then turn left onto 28th Ave SW and follow signs to the Fort Mandan Visitor Center.

Overview

The Fort Mandan State Historic Site commemorates the winter encampment of the Lewis and Clark Expedition during 1804–1805. Located near Washburn, North Dakota, the site features a full-scale reconstruction of the original fort, complete with furnished quarters and interpretive displays. It was here that the Corps of Discovery met Sacagawea and her husband Toussaint Charbonneau, who would become vital members of the expedition. The visitor center offers engaging exhibits, a museum store, and a children’s discovery area.

Open seasonally from spring through early fall, Fort Mandan provides guided tours and educational programs that bring early American exploration to life. The surrounding grounds include picnic areas, walking trails, and the Seaman Overlook—a tribute to Lewis’s Newfoundland dog. With its blend of history, nature, and family-friendly amenities, Fort Mandan is a must-see destination for those tracing the footsteps of America’s early explorers.

Things to Do

Follow in the Footsteps of Lewis and Clark

Fort Mandan State Historic Site commemorates the winter encampment of the Lewis and Clark Expedition from 1804 to 1805. Located near Washburn, North Dakota, along the Missouri River, the site features a reconstructed version of Fort Mandan, where the Corps of Discovery spent the winter preparing for its journey westward to the Pacific Ocean. It is one of North Dakota's most important historical attractions and provides visitors with a fascinating look at one of America's greatest exploration expeditions.

Tour the Reconstructed Fort

Visitors can explore the reconstructed Fort Mandan, which includes living quarters, storage rooms, interpretive exhibits, and displays depicting the daily life of Meriwether Lewis, William Clark, Sacagawea, and the expedition members. The fort offers an immersive experience that helps visitors understand the challenges of life on the northern plains during the early nineteenth century.

Learn About the Lewis and Clark Expedition

The visitor center features exhibits, artifacts, maps, and educational displays that tell the story of the Corps of Discovery. Visitors can learn about the expedition's scientific discoveries, interactions with Native American tribes, and the critical role of Sacagawea during the journey.

Experience Missouri River History

The fort's location highlights the importance of the Missouri River as a transportation corridor for Native peoples, explorers, traders, and settlers. Interpretive programs explain how the expedition relied on the river while exploring the vast Louisiana Territory.

Enjoy Scenic Prairie Landscapes

Surrounded by rolling prairies and river valley scenery, the site offers opportunities for photography, wildlife viewing, birdwatching, and enjoying the natural environment much as the explorers would have experienced it more than two centuries ago.

Top Trails

Fort Mandan Interpretive Trail

Length: Approximately 0.5 miles
Elevation Gain: Minimal
Difficulty: Easy

This short walking route explores the reconstructed fort and surrounding grounds while highlighting important locations associated with the Lewis and Clark Expedition. Interpretive signs provide historical context and educational information.

Missouri River Valley Trail

Length: Approximately 1 mile round trip
Elevation Gain: Minimal
Difficulty: Easy

Visitors can enjoy views of the Missouri River Valley and surrounding prairie landscapes while learning about the environment encountered by the expedition during its historic winter stay.

Lewis and Clark Regional Trail Connections

Length: Variable distances available
Elevation Gain: Minimal to Moderate
Difficulty: Easy

Nearby trails and recreation areas along the Lewis and Clark National Historic Trail provide additional opportunities to explore historic sites, wildlife habitats, and scenic Missouri River landscapes throughout central North Dakota.

Sources: State Historical Society of North Dakota official Fort Mandan State Historic Site information, including details on the Lewis and Clark Expedition winter camp, reconstructed fort, exhibits, educational programs, and visitor experiences. https://history.nd.gov/historicsites/mandan/
Additional information verified through Lewis and Clark National Historic Trail resources and North Dakota historical materials covering Fort Mandan, Sacagawea, the Missouri River corridor, and regional recreation opportunities.

This article uses material from the Wikipedia articles and official tourism pages for the Fort Mandan State Historic Site, which are released under the Creative Commons Attribution-Share-Alike License 3.0.

Plazak, CC BY-SA 3.0, via Wikimedia Commons; Image Size Adjusted
Plazak, CC BY-SA 3.0, via Wikimedia Commons; Image Size Adjusted