Oregon Maps

County Seats Map

This map provides a general understanding of Oregon county seat locations. For more information on each county see the Map Index of the Oregon Blue Book.
Map of oregon with each county seat noted.

Oregon Geography Map

This map provides a general understanding of the location of Oregon's major rivers, lakes and mountains. See the Oregon Physical Features Map in the Oregon Blue Book for detailed information.



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Historical Oregon Maps

See how county boundaries changed in Oregon from 1843 to 1893 in the  Historical Oregon Maps​.​

Oregon Blue Book

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Covered wagon in prarie setting with blue sky and fluffy white clouds above.
Covered wagon along a remnant of the Oregon Trail at the National Historic Oregon Trail Interpretive Center on Flagstaff Hill east of Baker City. Pioneers confronted daunting geographical challenges as they crossed Oregon. (Photo No. bakDA0058a)