Umpqua Rocks Geologic Area, OR

The North Umpqua Canyon contains millions of years of geologic activity to include the remains of volcanoes and lava flows. 


It is possible to stop at turnouts on Hwy 138 between miles 51.25 and 53.45 and view prominent rock spires, pillars, and outcroppings of various shapes.


Rattlesnake Rock
Rattlesnake Rock

Eagle Rock
Eagle Rock

Old Man Rock
Old Man Rock

Rock Formation
Unknown or Unnamed Rock


Soda Springs is the site of columnar basalts along the edge of the North Umpqua River. The various colors are from lichen growing on the rock.


Columnar Basalts
Soda Springs Columnar Basalts

River & Basalts
North Umpqua River Flows by the Columnar Basalts

Columnar Basalts
Nature's Box of Colored Pencils


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