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

 
 

Historical Markers in Alleghany

 
Clickable Map of Sierra County, California 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 Sierra County, CA (60) Lassen County, CA (47) Nevada County, CA (241) Plumas County, CA (121) Yuba County, CA (66) Washoe County, NV (118)  SierraCounty(60) Sierra County (60)  LassenCounty(47) Lassen County (47)  NevadaCounty(241) Nevada County (241)  PlumasCounty(121) Plumas County (121)  YubaCounty(66) Yuba County (66)  WashoeCountyNevada(118) Washoe County (118)
Downieville is the county seat for Sierra County
Alleghany is in Sierra County
Sierra County (60)  ►
ADJACENT TO SIERRA COUNTY
Lassen County (47)  ►
Nevada County (241)  ►
Plumas County (121)  ►
Yuba County (66)  ►
Washoe County, Nevada (118)  ►
 
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1 ► California, Sierra County, Alleghany — Alleghany —
On Miners Street at Main Street, on the left when traveling south on Miners Street.
2 ► California, Sierra County, Alleghany — Bald Mountain Mine
Near Main Street at School Street (unsigned), on the left when traveling east. Reported missing.
3 ► California, Sierra County, Alleghany — Bovee Building —
On Main Street (County Route 306), on the right when traveling north.
4 ► California, Sierra County, Alleghany — Cornish Ranch House — est. 1861 —
On Henness Pass Road (County Route S301), on the right when traveling west.
5 ► California, Sierra County, Alleghany — Forest City —
On Main Street at School Street, on the left when traveling east on Main Street.
6 ► California, Sierra County, Alleghany — Forest City Brewery —
Near Main Street, on the right when traveling east.
7 ► California, Sierra County, Alleghany — Forest City Dance Hall —
On Main Street at School Street (unsigned) on Main Street.
8 ► California, Sierra County, Alleghany — 421 — Henness Pass Road — Pioneer Emigrant Trail —
On Ridge Road at Mountain House Road, on the left when traveling east on Ridge Road.
9 ► California, Sierra County, Alleghany — HP-13 — Henness Pass Road - Plum Valley — California Trail —
On Ridge Road 0.5 miles east of Tippe Canoe Mine Road, on the right when traveling east.
10 ► California, Sierra County, Alleghany — HP-12 — Henness Pass Road - To Ridge Junction — California Trail —
On Ridge Road at Mountain House Road, on the left when traveling east on Ridge Road.
11 ► California, Sierra County, Alleghany — 695 — Plum Valley House Site —
On Ridge Road, on the right when traveling east.
12 ► California, Sierra County, Alleghany — Rite Here —
On Mountain House Road, on the right when traveling west.
13 ► California, Sierra County, Alleghany — The Sixteen to One Mine —
On Miners Street at Foote Road (unsigned), on the left when traveling south on Miners Street.
14 ► California, Sierra County, Alleghany — Stamp Mill —
On Main Street near Mountain House Road, on the right when traveling east.
 
 
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Nov. 11, 2026