Lost Dutchman Mine
Verdict summary
PinPoint Treasure lists Lost Dutchman Mine as disputed — the record does not settle whether the described cache existed. America's most famous lost mine — Jacob Waltz's Superstition Mountain gold has consumed lives for 130+ years. A source-origin review has not been completed for this case, so the earliest traceable teller is UNKNOWN. The published search constraint is Superstition Wilderness, Arizona (~33.45, -111.45). Estimated value is reported as stated by its source: $200+ million in gold (estimated).
German immigrant Jacob "the Dutchman" Waltz claimed a fabulously rich gold mine in the Superstition Mountains east of Phoenix. He died in 1891 without revealing its location. Hundreds of searchers have died looking; many believe the mine never existed and the gold came from raided shipments.
Case overview: estimated value $200+ million in gold (estimated); current status disputed; era 1870s–1890s.
Search area: Superstition Wilderness, Arizona (~33.45, -111.45)
Best modern approach: LiDAR-driven adit survey + period-document triangulation. Never search alone.
Evidence and provenance: Waltz's deathbed clues recorded by Julia Thomas; Multiple period assays confirm Superstition gold quality; Apache war-cache theory fits geology; Tonto NF LiDAR shows multiple unexplored adits.
Legal notes: Superstition Wilderness prohibits mechanized equipment and excavation. Recreational detecting is permitted in Tonto NF outside the wilderness.
Source origin: a source-origin review has not been completed for this case, so the earliest traceable teller is recorded as UNKNOWN.
Why this case is worth researching: Lost Dutchman Mine pairs a documented historical event with an unrecovered-cache claim, which is what the PinPoint Treasure pipeline is built to test — cross-referencing archival sources, geology, mining records, and 1-meter LiDAR terrain where coverage exists. Every claim on this page carries an evidence grade, and grades are never raised to fill a gap.
Recommended workflow for the Lost Dutchman Mine case: (1) read the primary sources and establish which of them are independent of each other, (2) run the cipher engine on any coded material, (3) scan the highest-probability bounding box with LiDAR where coverage exists, (4) cross-check anomalies against NDVI vegetation stress and iron-oxide satellite signatures, and (5) confirm land status before any field work.