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. Find out more about PFFI's classes in this short video.
Calendar of Classes
Check out the new classes being offered this year by the Field Institute. There are new programs as well as favorites from last year. View 2018 classes