Stela 51 and 89

Structure I [January 4, 2003: Photo courtesy of Jeff Purcell]

The top of Structure I is the highest point at the site, sitting, as it does, on the crest of a low (6m) hill, although Structure II to the northwest is actually the largest architectural feature at Calakmul.

Robert Sharer, The Ancient Maya, 1994: p. 198