Hovenweep has some outstanding ruins. There is a rare square tower down inside the canyon. Many of the towers have no doors, just slots or holes in the walls. Perhaps they were entered through the roof. Were they observatories, or maybe signal towers? It is fun to speculate.
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There are other ruins in other parts of Hovenweep but we took so long on the loop trail that we didn’t have time to check them all out…a good excuse to come back sometime.