HMdb.org
THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
12 entries match your criteria.  

 
 

Historical Markers in Columbia County

 
Clickable Map of Columbia County, Oregon and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Columbia County, OR (12) Clatsop County, OR (66) Multnomah County, OR (119) Tillamook County, OR (20) Washington County, OR (4) Clark County, WA (63) Cowlitz County, WA (18) Wahkiakum County, WA (5)  ColumbiaCounty(12) Columbia County (12)  ClatsopCounty(66) Clatsop County (66)  MultnomahCounty(119) Multnomah County (119)  TillamookCounty(20) Tillamook County (20)  WashingtonCounty(4) Washington County (4)  ClarkCountyWashington(63) Clark County (63)  CowlitzCounty(18) Cowlitz County (18)  WahkiakumCounty(5) Wahkiakum County (5)
Saint Helens is the county seat for Columbia County
Adjacent to Columbia County, Oregon
Clatsop County (66)  ►
Multnomah County (119)  ►
Tillamook County (20)  ►
Washington County (4)  ►
Clark County, Washington (63)  ►
Cowlitz County, Washington (18)  ►
Wahkiakum County, Washington (5)  ►
 
Touch name above to highlight map location.
Touch blue arrow, or on map, to go there.
1 ► Oregon, Columbia County, Clatskanie — "Captain" John West and Westport, Oregon —
2 ► Oregon, Columbia County, Columbia City — Caples House Museum — Home of Oregon Pioneer —
3 ► Oregon, Columbia County, Columbia City — Caples House Museum 1870 —
4 ► Oregon, Columbia County, Columbia City — Dr. Charles Caples —
5 ► Oregon, Columbia County, Deer Island — M1 — Deer Island — Oregon History — Reported missing
6 ► Oregon, Columbia County, Scappoose — History of Scappoose —
7 ► Oregon, Columbia County, Scappoose — Lewis and Clark on the Columbia —
8 ► Oregon, Columbia County, Scappoose — Route of Lewis and Clark National Historic Trail —
9 ► Oregon, Columbia County, Scappoose — Thomas McKay — Oregon History —
10 ► Oregon, Columbia County, St. Helens — down the trodden path... —
11 ► Oregon, Columbia County, St. Helens — Lewis & Clark Discovery Trail —
12 ► Oregon, Columbia County, St. Helens — Warrior Rock Fog Bell —
 
 
CeraNet Cloud Computing sponsors the Historical Marker Database.
This website earns income from purchases you make after using our links to Amazon.com. We appreciate your support.
Paid Advertisement
Copyright © 2006–2026, Some rights reserved. — Privacy Policy — Terms of Use — About Us — Contact Us
 
Nov. 10, 2026