The Atlas Obscura Podcast National Parks Week: Montezuma Well
Jun 4, 2025
In this fascinating conversation, Dave Conlin, an underwater archaeologist with the National Park Service, reveals the mysteries of Montezuma Well in Arizona. He shares stunning insights into the well's ecological and geological wonders, describing ancient underwater phenomena that baffle divers. Conlin discusses the cultural significance of the site to the Yavapai tribe, emphasizing its sacred nature and the importance of respectful engagement. Listeners will be captivated by tales of modern explorations and the challenges faced in uncovering this hidden gem.
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1873 Bottomless Well Investigation
- Captain Warren Day investigated Montezuma Well in 1873 using a rope to measure the depth.
- He declared the well bottomless despite the rope reaching only 65 feet deep to save face.
1960s Diver's Strange Discovery
- A diver in the 1960s discovered millions of leeches and a boiling sand surface at the bottom of Montezuma Well.
- He found the bottom wasn't solid but an irregular boiling surface like thin mush cooking.
Underwater Archaeologists' Exploration
- Dave Conlin and mentor Dan Lenahan explored Montezuma Well multiple times as underwater archaeologists.
- They experienced the bubbling sand bottom and minimal wildlife due to unique water chemistry.