National Natural Landmarks

Willcox Playa

Willcox Playa
Willcox Playa

Willcox Playa, the largest "dry lake" in Arizona, is a remnant of the pluvial Lake Cochise. Unlike similar dry lakes, the black mud below the surface contains a rich fossil pollen record of the pluvial periods of the Pleistocene. The site has become a night-time roosting area for 4,000-8,000 sandhill cranes and contains the greatest diversity of tiger beetles in the United States.

Location: Cochise County, AZ ; Cochise County, AZ

Year designated: 1966

Acres: 2,369

Ownership: Federal




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Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.

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