Near Alleghany in Sierra County, California — The American West (Pacific Coastal)

Henness Pass Road - Plum Valley

— California Trail —

Photographed by Alvis Hendley, October 6, 2016

1. Henness Pass Road - Plum Valley Marker

Inscription. Beginning in 1854, John Bope's Ranch and Inn was a major stopping place on the Ridge Road. "3-1/2 miles to Tavern in Plum Valley, here we campt,...gold diggings all around here." - Loring S. Comstock, Aug 28, 1855

Erected 2015 by Trails West Inc. (Marker Number HP-13.)

Topics and series. This historical marker is listed in these topic lists: Roads & Vehicles • Settlements & Settlers. In addition, it is included in the California Trail, the Henness Pass, and the Trails West Inc. series lists. A significant historical date for this entry is August 28, 1855.

Location. 39° 26.889′ N, 120° 57.689′ W. Marker is near Alleghany, California, in Sierra County. It is on Ridge Road half a mile east of Tippe Canoe Mine Road, on the right when traveling east. Touch for map. Marker is in this post office area: Alleghany CA 95910, United States of America. Touch for directions.

Regionally, this marker is in California’s Sierra Nevada.

It is also in the American Mountain West.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

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Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within 5 miles of this marker, measured as the crow flies: Plum Valley House Site (within shouting distance of this marker); Capt. Brown House (approx. 4.6 miles away); William Bull Meek (approx. 4.6 miles away); Mountain Range Lodge No. 18, F. & A. M. (approx. 4.7 miles away); Acton Meek Cleveland (approx. 4.8 miles away); Robert Campton (approx. 4.8 miles away); William Bull Meek / ECV Redivivus (approx. 4.8 miles away); Lester Allen Pelton (approx. 4.8 miles away).

Photographed by Alvis Hendley, October 6, 2016

2. Henness Pass Road - Plum Valley Marker

Photographed by Alvis Hendley, October 6, 2016

3. Ridge Road

Ridge Road runs passes through a dense and beautiful conifer forest.

Credits. This page was last revised on September 30, 2025. It was originally submitted on November 15, 2016, by Alvis Hendley of San Francisco, California. This page has been viewed 603 times since then and 29 times this year. Photos: 1, 2, 3. submitted on November 15, 2016, by Alvis Hendley of San Francisco, California. • Syd Whittle was the editor who published this page.