The South Coast region, which extends south from Coos Bay to the Oregon-California Border, is distinct from the North and Central Coast regions because of its mountainous nature, due to tectonic uplift and terrane accretion in ancient times.
The South Coast region is distinct from the North and Central Coast regions because of its mountainous nature in ancient times. This is due to tectonic uplift and terrane accretion. The South Coast region extends south from Coos Bay to the Oregon-California Border.