Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
BLM-managed badland of soft Pliocene lake and fluvial beds west of Safford that weather into a natural amphitheater of red and white knolls, sinkholes, short slot-like washes, and cave-like alcoves. The same geologic package that filled the Gila Valley with clay-rich 111 Ranch beds now stands as an informal geology playground visible from US-70 near Pima. Short exploratory walks reveal karst-like collapse features without a formal national-park trail system.