The Cline Terrace Complex

Although not the largest platform mound in Tonto Basin, the Cline Terrace Mound (U:4:33/132) is certainly one of the most complicated and visually impressive mounds that are preserved. Over 2000 visitors came to the site in the spring of 1992 when Arizona State University hosted an open house for the public to view this spectacular site.

In this, and subsequent pages, click on any photo to see a high resolution copy.


The site consists of two main elevated areas connected by a narrow "catwalk". The main method of construction was cobble reinforced adobe, but all visible elevated walls of the site were faced with cut gypsum stone which was still well preserved along the northwest wall of the mound shown here.

Compound WallThe mound was encircled by a compound wall that would have been several meters high. Access to the interior portions of the site was restricted to a single entry way. Once inside this portal, visitors to the site would still be prevented from accessing the elevated rooms and the inner plazas without circumnavigating the entire mound, all the while exposed to defenders from above.

Elevated Rooms on top of the mound may have been residences for individuals or families of higher status. This photo clearly shows the view available from the top of the mound which stretches northwest and southeast to other platform mounds, perhaps belonging to a rival kin group.

Gypsum WallOne of the many unique features of Cline Terrace is a single elevated room partially detached from the main mound. An east-facing doorway in the second story led into open air over a central courtyard in the center of the site. After the site was abandoned, the dressed gypsum wall fell outward, landing in one piece on the plaza below. This photo shows the opening of the doorway still intact.

L-shaped roomTwo "L"-shaped ground-level rooms, almost perfect mirror images of each other, were incorporated into the mound. Although hidden, both rooms were lined with dressed gypsum, suggesting some special significance to these features.   

One of these rooms contained many large plainware jars and may have been a storage room. The restricted access and proximity to the main platform mound may indicate that occupants of the mound might have had control of this room and of its contents.                                                                                           

Residential compound sites near Cline Terrace

Cline Terrace Mound is surrounded by a number of small sites. Some of these may be earlier, Roosevelt Phase, occupations which were abandoned in favor of the Cline Terrace site during the Gila phase. Others might have been contemporaneous residential sites whose inhabitants might have visited Cline Terrace for religious, social or economic events.

Storage vessels

One example of a residential compound is the site of Indian Point. A large number of residential rooms such as this one have been mapped and excavated. This photo from another nearby site (U:3:128) shows intact storage vessels on the floor of a cobble masonry room.

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6/24/94 - phm