Please note that masks may be required for classes while in enclosed areas, such as vehicles and buildings, based on local and regional health conditions.

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Petrified Forest Field Institute

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Kathleen Mendes
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Petrified Forest Field Institute

Petrified Forest Field Institute (PFFI) is a program of the official nonprofit park partner, the Petrified Forest Museum Association (PFMA). PFFI is proud to offer guided hiking tours exploring a variety of fun and compelling subjects lead by world class guides and field experts.

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Photos courtesy of Petrified Forest National Park unless stated otherwise.