Mammoth Spring State Park, State park in Mammoth Spring, Arkansas.
Mammoth Spring State Park is a state park in Mammoth Spring, Arkansas, built around one of the largest springs in the southern United States. The spring feeds a lake that then flows into the Spring River downstream.
A railroad depot was built here in 1886 to serve the Frisco Line, and the town of Mammoth Spring grew up around it. The old station building was later restored and now serves as a museum dedicated to railroad history.
The Welcome Center displays objects from the region and tells the story of how water shaped life across the Ozarks. The exhibits show how communities grew around this water source over generations.
The park has picnic areas, walking trails, and a playground, and stays open during daylight hours. Some paths have uneven surfaces, so sturdy shoes are a good idea.
The spring holds National Natural Landmark status, making it one of only a handful of officially recognized geological water systems in the region. The water rises from underground with enough force to keep the lake full even during dry periods.
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