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Mastodon State Historic Site: Unearthing Missouri's Ice Age Past

Discover the Ice Age in Missouri: Explore fossils, trails, and the story of humans and mastodons at Mastodon State Historic Site.

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Explore the fascinating world of mastodons and early humans at Mastodon State Historic Site in Imperial, Missouri. This unique site preserves the Kimmswick Bone Bed, where the first solid evidence of humans coexisting with mastodons in eastern North America was discovered. Visitors can explore a museum, hike trails, and immerse themselves in the Ice Age history of the region.

A brief summary to Mastodon State Historic Site

Local tips

  • Visit the museum first to get a good understanding of the site's history and significance before exploring the trails.
  • Check the museum's seasonal hours before your visit, as they vary throughout the year.
  • Wear comfortable shoes for walking the trails, and bring bug spray, especially during warmer months.
  • Consider visiting early in the morning for a quieter experience and to enjoy the peaceful trails.
  • Pets are allowed on the grounds but must be kept on a leash.
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Getting There

  • Driving

    Mastodon State Historic Site is located off I-55, about 30 minutes south of downtown St. Louis. Take exit 186 for Missouri 141, then follow signs to MO-21 South. Continue on MO-21 South and turn right onto Charles J Becker Dr. The entrance to the site will be on your right. Parking is available at the visitor center. Limited public transportation options are available.

  • Public Transport

    Public transportation to Mastodon State Historic Site is limited. You can take a Greyhound bus to St. Louis or Cape Girardeau. From there, use a rideshare service like Uber or Lyft to reach the site at 1050 Charles J Becker Dr, Imperial, MO 63052. Be sure to check the schedules of the bus services and rideshare options in advance, as they may vary in availability. A rideshare from St. Louis to the historic site will likely cost $30-$50.

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Discover more about Mastodon State Historic Site

Mastodon State Historic Site offers a captivating journey into Missouri's prehistoric past. The site's centerpiece is the Kimmswick Bone Bed, a paleontological treasure trove where, in 1979, a stone spear point was found alongside mastodon bones, confirming that humans and these giant creatures coexisted over 10,000 years ago. This groundbreaking discovery, the first of its kind in eastern North America, earned the Bone Bed a place on the National Register of Historic Places. The on-site museum brings this ancient world to life with exhibits showcasing Ice Age fossils, ancient tools, and a life-size replica of a mastodon skeleton. An interpretive video further explains the site's significance, detailing the Clovis culture that existed in the area between 10,000 and 14,000 years ago. Beyond the museum, the 425-acre park offers opportunities to explore the landscape where mastodons once roamed. Three hiking trails wind through the area, including the Wildflower Trail that leads to the Kimmswick Bone Bed itself. While the bone bed is now buried for preservation, interpretive signs along the trail highlight the area's natural and archaeological features. The park also features picnic areas, a playground, and a wildflower garden, making it a destination for both education and recreation. খনConstruction of Interstate 55 in the 1970s raised concerns about the site's preservation, leading to the formation of the Mastodon Park Committee. Thanks to their efforts, the land was purchased by the Missouri Department of Natural Resources in 1976, ensuring that this unique piece of natural and cultural history would be protected for future generations.

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