
2.3 miles away

A limestone sinkhole near Lake Montezuma discharging 1.5 million gallons of spring water a day and holding five endemic species.
Montezuma Well is a natural limestone sinkhole near the town of Lake Montezuma, Arizona, and a detached unit of Montezuma Castle National Monument, about 11 miles north-east of Montezuma Castle. Some 1,500,000 US gallons of water emerge through it each day from an underground spring. The well measures 386 feet in diameter from rim to rim and holds a near-constant volume of spring water even in times of severe drought; the water is highly carbonated and contains high levels of arsenic. At least five endemic species are found exclusively in Montezuma Well, the most of any spring in the south-western United States: a diatom, the Montezuma Well springsnail, a water scorpion, the Hyalella montezuma amphipod and the Motobdella montezuma leech. Its steady outflow has been used for irrigation since the 8th century; part of a prehistoric irrigation ditch is preserved near the picnic ground, and portions of the ditch's original route are still in use. As with Montezuma Castle, the name is a misnomer, the Aztec emperor Montezuma having had no connection with the site or with the early indigenous peoples who occupied the area.
Montezuma Well is a natural landmark near Camp Verde, in Yavapai County. It is one of the natural landmarks in this database, and appears in the statewide ranking of Arizona attractions.
No official visitor count is published for Montezuma Well, so its score rests on public interest and tourism significance, and is capped below the level a measured attraction can reach. That is why the medium confidence above is not higher. The weighting is explained in full on the methodology page, and every axis is broken out under Facts and sources at the foot of this page.
Note on the data: No official visitor count is published for this attraction.
Record last verified 2026-08-12.



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