Grottes du Foulon, Underground limestone cave system in Châteaudun, France.
The Grottes du Foulon is an underground limestone cave system located beneath Châteaudun with natural galleries, stone pillars, and rock formations created by water erosion over millennia. The caves contain multiple chambers and passages that visitors can walk through to observe the geological structures.
The cave system formed over millions of years as water gradually dissolved and carved through limestone layers beneath the surface. Early people inhabited the area during prehistoric times, leaving behind traces of their settlements.
The caves serve as a place where visitors can learn about Earth's geological processes through the formations visible in the chambers. Today, local schools use the site to help students understand how limestone landscapes develop over time.
Access to the caves involves walking through underground passages and chambers, which are made accessible with walkways and stairs throughout the site. Visitors should wear appropriate footwear as the ground is uneven and the temperature remains cool deep underground.
A special section of the cave system contains numerous mineral formations and stone structures that visitors can observe in their natural setting. These formations are the result of chemical processes that occurred over extended periods of time.
Location: Châteaudun
Accessibility: Wheelchair inaccessible
Website: http://grottesdufoulon.sitew.com
GPS coordinates: 48.07233,1.32956
Latest update: December 6, 2025 19:09
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