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Table Rock (Oregon)

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description Table Rock (Oregon) Overview

Table Rock in Jackson County, Oregon, commonly refers to Upper Table Rock and Lower Table Rock, two flat-topped volcanic mesas north of the Rogue River. Their distinctive form developed when lava from an ancient shield volcano formed a resistant cap over softer underlying material, which was later removed by erosion. The landforms are about seven million years old and rise prominently above the Rogue Valley, where they are also known for hiking and seasonal wildflowers.

help Table Rock (Oregon) FAQ

What are Upper Table Rock and Lower Table Rock?

They are two flat-topped volcanic mesas in Jackson County, Oregon, north of the Rogue River. Together they are commonly called Table Rock.

How did Table Rock in Oregon form?

Lava from an ancient shield volcano created a resistant cap over softer underlying material. Erosion removed the softer layers and left the distinctive flat-topped mesas.

Where is Table Rock located in Oregon?

Upper Table Rock and Lower Table Rock are in Jackson County, north of the Rogue River. Their location places them near the Rogue Valley landscape of southern Oregon.

Why are the Oregon Table Rocks flat on top?

The flat tops come from a hard volcanic cap that resisted erosion better than the softer material below it. This geological contrast produced the mesa shape seen at both Upper and Lower Table Rock.

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