
Rainau-Buch Limes Watchtower (Wp 12/77)
About
Archaeologists found the foundations of two successive stone towers here in the Mahdholz woods above the fort at Buch, evidence of at least three separate building phases across the tower's working life. Dendrochronology places its palisade timbers around 165 CE, decades after this stretch of frontier existed only as a cleared watch-track. A faithful wooden reconstruction now stands 3 meters tall on the excavated footings, with the fort's bathhouse and civilian quarter surviving nearby in the same Limes Park.
What happened here
A small stone tower with a timber top, sited so that it can see the next one along the line. Half a dozen men live in it. They watch the ground in front, and they watch the tower on either side. A signal — fire and smoke at night, something visible by day — passes a warning down the chain far faster than a rider can, though it can only carry a message that was agreed in advance. The rest of the time it is a lookout post on a road, a river crossing or a frontier line, and the work is boredom punctuated by inspections. Supplies come up from the fort behind. Towers on a frontier stand within sight of each other for hundreds of miles.
Sources
Nearby
Roman Maps shows the empire frozen at 11 August 117 CE, the day Trajan died — its moment of greatest territorial extent. Explore the full map →


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