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Citizen Science

Events for April 28, 2025

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maricopa county parks and recreation spur cross ranch conservation area

Maricopa County Parks and Recreation: City Nature Challenge Hike

Spur Cross Ranch Conservation Area 44000 N. Spur Cross Rd., Cave Creek

Join Ranger Kevin on a strenuous hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 25-28.  ...

Free with Park Fee

maricopa county parks and recreation san tan mountain regional park

Maricopa County Parks and Recreation: City Nature Challenge Hike

San Tan Mountain Regional Park 6533 W. Phillips Rd., Queen Creek

Join Ranger Jacque on a brief hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 25-28!  ...

Free with Park Fee