The Moravian Segment
~ Monday, May 18, 2020 ~
Elena was at the Moravian Gate in May. The wind came through from the north, as it does when the mountain chains on either side funnel the air from the Polish plain down toward the Danube basin. The pass is wider than it looks on a map — the contour lines suggest a narrowing, but the ground is open and gradual, and the headwaters of two river systems lie within a few kilometres of each other at the watershed. You stand at the Gate and you can feel the topography doing what topography does: making certain routes obvious.
The question Elena came to answer was not which route existed but which route was used. The scholarly record documents at least two viable north-south corridors through this region: the Kłodzko variant, which runs through a mountain valley in Silesia to the west, and the Moravian route, which passes through the Gate and then follows the Morava river south. Both have archaeological attestation. Both have Roman finds associated with them. The question is which carried the majority of the amber traffic, and why.
The Gate
The Moravian Gate — Moravská brána in Czech — is a pass in the conventional sense only in terms of its function. There is no dramatic mountain crossing. The terrain at the watershed is a low, forested ridge separating the Oder drainage to the north from the Morava drainage to the south, and the ridge is barely perceptible in the landscape. What makes the Gate a gate is everything on either side of it: the Sudeten mountains to the west and the Carpathians to the east, both of which present serious obstacles to wheeled movement. The Gate is the gap between them. It is approximately fifteen kilometres wide at its narrowest point, with a watershed elevation under 330 metres. It is the only practical crossing for loaded wagons in a mountain chain that runs for several hundred kilometres.
The Romans knew this. The earliest fortification of the Gate dates to the Marcomannic period — the late second and early third centuries CE, when the Roman military was active in this region — but the evidence for regular passage through the Gate begins earlier, in the La Tène period, with amber workshop sites that indicate processing of raw material in transit rather than at either endpoint.
The two variants
The Kłodzko variant runs through the Kłodzko basin in Silesia, following the upper Nysa Kłodzka river through a mountain valley before descending to the Silesian lowlands. It is the route that the twentieth-century Polish scholarly tradition emphasised, partly for reasons having to do with the post-war Polish-Czech border and the distribution of excavation activity on each side of it. The archaeological record for the Kłodzko variant is real. What it shows is largely Iron Age material, with Roman finds concentrated at the northern and southern ends rather than continuously along the corridor.
The Moravian route shows a different pattern: amber finds, workshop debris, and Roman-period settlement sites are distributed more continuously through the corridor, and the major archaeological site at Staré Hradisko lies directly on the route. Elena’s assessment, consistent with the Czech scholarly consensus since the 1980s, is that the Moravian Gate was the primary corridor for the amber trade in the Roman period, and the Kłodzko route was a secondary variant used when the main corridor was unavailable or for certain categories of goods.
What the Morava valley held
Staré Hradisko is an Iron Age oppidum — a fortified hill settlement of the La Tène period — on a ridge above the Morava river, roughly fifty kilometres south of the Gate. It was active from approximately 150 BCE to the first century CE, and its position is not accidental: it sits directly above the Morava corridor, with a view north toward the Gate and south toward the Danube basin. The excavation record includes amber in quantities that are exceptional for an inland site: raw nodules, worked objects, and workshop debris indicating that amber was processed here and distributed locally as well as continued south.
The Přemyslid towns that appear in the Moravian record from the tenth century onward — Olomouc, Brno, the early centers of the Moravian principality — are built on the same topographic logic as Staré Hradisko: defensible positions above river crossings in the same valley system. The road is not there in the later centuries because the road was remembered. It is there because the terrain that made the road useful in 100 BCE made the towns useful in 1000 CE. The route is a feature of the landscape, not of the people who used it at any particular time.
Where the record breaks
South of Olomouc, the amber finds thin out. The Roman road system continues south, documented by milestones and by the material record at the Danube crossings, but the amber-specific evidence becomes sparse. Part of this is an artefact of where the excavations have been concentrated; part of it may reflect the actual distribution of processing and trade. The material may have continued south in worked form rather than raw, making it harder to attribute to the Baltic source.
The landscape does not thin out. The Morava valley continues south to its junction with the Danube as the same kind of corridor it is north of Olomouc: flat, well-watered, with a navigable river and gradual grades. The record breaks where the archaeological attention has been lighter and where modern infrastructure has buried or destroyed the surface evidence more completely. The landscape does not thin out. The record does.
In this series
- What the Romans Knew About Amber — Pliny, Tacitus, and the material before the road
- Samland to Carnuntum — the documented main route; waypoints and terrain
- The Moved Waymarker — a miliarium found not where milestones belong
Sources
- Čižmář, Miloš. “Das Oppidum Staré Hradisko.” Památky Archeologické 86 (1995): 65–98.
- Kolendo, Jerzy. “The Amber Trade Routes.” In Roman Frontier Studies 1989. University of Exeter Press, 1991.
- Adámek, František. Pravěké hradisko u Obřan. Brno, 1961.
- Mikulčice-Valy excavation documentation. Czech Academy of Sciences, Institute of Archaeology Brno.