Montezuma Well

Sonoran Desert NPS

A leech occupies the top spot in the food chain at Montezuma Well near Camp Verde. Surprisingly, its body contains the highest level of arsenic ever recorded in a living organism.

Michael Collier

Montezuma Well is easy to find down in the Verde Valley–it’s located right at the intersection of geology and biology.  The blue-green pool–120 yards wide, cupped in a perfectly round sinkhole–is startling in the middle of a mesquite desert.