◆ WIKIESTER
N LOST TREASURE · CASE FILE Legend Lost Cement Mine near Mammoth Lakes, CA 37.65°N 119.00°W · search-area center

Lost Cement Mine

Lost Treasures · near Mammoth Lakes, CA (Sierra)
Reported valueGold in reddish "cement" rock
LEGEND · map confidence: Medium Exact location unknown by definition; the point is the center of the associated search area or landmark.
From the Lodester Lost-Treasures master compilation; per that reference every point is a search-area/landmark center, not the treasure itself.

Region — where it (roughly) is

Self-hosted view on USGS Topo — the dot is the search-area center, not the treasure.

Land & claims · BLM · live

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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

The story

The Sierra Nevada has swallowed prospectors and whole fortunes — but few legends cling to it as tightly as the Lost Cement Mine, a story so woven into the gold-rush imagination that Mark Twain himself set it down in print.

It begins in 1857, with two German brothers crossing the Sierra. Somewhere in that high, hard country they came upon a reddish outcrop — rock laced through with gold. Not a vein to be chased and tunneled, but gold sitting plainly in a strange reddish "cement" of stone, there for the taking. They had stumbled onto exactly the kind of strike men crossed a continent hoping to find.

And then they lost it. Illness and death moved through their small story before they could return and work the find. The reddish outcrop and its gold were left behind in the mountains, the way back dying with the men who had seen it. What survived was the memory — and the memory was enough.

Mark Twain recounted the legend in Roughing It, and his telling helped fix the Lost Cement Mine in the lore of the American West, anchoring it to the high country near Mammoth Lakes. From there it took on the long life of every good lost-mine tale: repeated, embroidered, chased by men certain the reddish rock was waiting just beyond where the brothers had last stood.

But the essential facts never moved past the original story — two brothers, a gold-laced outcrop, sickness and death, and a route no one could retrace. No verified mine has ever been produced. The "cement" and its gold remain where legend left them: somewhere in the Sierra, unfound.

Fact vs. legend: The 1857 story of the two German brothers and the gold-laced reddish outcrop, and Mark Twain's retelling in Roughing It, are the documented core — but the mine itself is legend, never relocated or confirmed.

Search area: The point marks the area near Mammoth Lakes, CA (Sierra) — the search area or landmark, not the treasure, whose exact location is unknown.

Sources & finds

Base story rewritten from the cited public sources above. Claims were tagged fact / contested / legend during research. The map point (if any) is an interpreted search-area center — not a verified treasure location. Not an invitation to trespass; always verify land status and access before entering any site.