Mastodon State Historic Site

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Last Updated: December 5, 2025

Mastodon State Historic Site is a fascinating destination in Imperial, Missouri, that offers visitors a glimpse into prehistoric times.


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Summary

It is situated on 425 acres of land and is home to a unique archaeological dig site that features the remains of the American mastodon, an extinct elephant-like creature.

One of the best reasons to visit Mastodon State Historic Site is to gain an understanding of Missouri's rich natural history. Visitors can learn about the ways in which Native Americans utilized the land and its resources, as well as the many extinct animals that once roamed the area.

The most notable point of interest at Mastodon State Historic Site is the interpretive center, which features exhibits, interactive displays, and educational programs that explore the site's natural and cultural history. Other attractions include a nature trail, picnic areas, and a campground.

Interesting facts about the area include the fact that the first mastodon bones were discovered at the site in 1806 by a farmer digging a well. The site also contains evidence of a prehistoric Native American encampment, which is thought to have been in use as early as 10,000 BC.

The best time of year to visit Mastodon State Historic Site is during the spring and fall months when the weather is mild, and the foliage is at its most vibrant. Summer is also a popular time to visit, but visitors should be prepared for hot and humid conditions.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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