Overview Grayling Campground offers perhaps the most secluded sites in the Big Lake Recreation Area in eastern Arizona. It sits on the shoreline of the lake in a mixed conifer and aspen forest and affords visitors many recreational opportunities in a quiet, scenic setting. Popular activities include trout fishing and hiking.Recreation The campground is adjacent to 450-acre Big Lake, one of Arizona's top fishing lakes. The lake is known for its trout fishing, with rainbow, cutthroat, brook and Ap