3 entries match your criteria. Historical Markers in Gem County Clickable Map of Gem County, Idaho 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 Gem County, ID (3) Ada County, ID (142) Adams County, ID (5) Boise County, ID (33) Canyon County, ID (24) Payette County, ID (7) Valley County, ID (7) Washington County, ID (6) Gem County(3) Gem County (3) AdaCounty(142) Ada County (142) AdamsCounty(5) Adams County (5) BoiseCounty(33) Boise County (33) CanyonCounty(24) Canyon County (24) PayetteCounty(7) Payette County (7) ValleyCounty(7) Valley County (7) WashingtonCounty(6) Washington County (6) Emmett is the county seat for Gem CountyAdjacent to Gem County, Idaho Ada County (142) ► Adams County (5) ► Boise County (33) ► Canyon County (24) ► Payette County (7) ► Valley County (7) ► Washington County (6) ► Touch name above to highlight map location.Touch blue arrow, or on map, to go there. GEOGRAPHIC SORTTitle SortMarker Number SortMarker Number Sort for TrailsPublication Order Sort Publication Order Sort AErected Year SortMost Viewed SortMost Recent-Interest SortMost Recently Changed SortSEE FAQ #33 FOR DESCRIPTIONS 1 ► Idaho, Gem County, Emmett — 377 — Black Canyon Dam — 2 ► Idaho, Gem County, Emmett — 295 — Freezeout Hill — 3 ► Idaho, Gem County, Emmett — 447 — Pearl — ︽