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

 
 

Historical Markers in Adams, Oregon

 
Clickable Map of Umatilla 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 Umatilla County, OR (78) Grant County, OR (32) Morrow County, OR (3) Union County, OR (15) Wallowa County, OR (21) Benton County, WA (56) Columbia County, WA (27) Walla Walla County, WA (45)  UmatillaCounty(78) Umatilla County (78)  GrantCounty(32) Grant County (32)  MorrowCounty(3) Morrow County (3)  UnionCounty(15) Union County (15)  WallowaCounty(21) Wallowa County (21)  BentonCountyWashington(56) Benton County (56)  ColumbiaCounty(27) Columbia County (27)  WallaWallaCounty(45) Walla Walla County (45)
Pendleton is the county seat for Umatilla County
Adams is in Umatilla County
Umatilla County (78)  ►
ADJACENT TO UMATILLA COUNTY
Grant County (32)  ►
Morrow County (3)  ►
Union County (15)  ►
Wallowa County (21)  ►
Benton County, Washington (56)  ►
Columbia County, Washington (27)  ►
Walla Walla County, Washington (45)  ►
 
Touch name above to highlight map location.
Touch blue arrow, or on map, to go there.
1 ► Oregon, Umatilla County, Adams — Deadman Pass Oregon Trail Kiosk —
2 ► Oregon, Umatilla County, Adams — Whitman Route Oregon Trail 1843-1847 —
 
 
  
  
  
 
 
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
 
Oct. 12, 2026