Treasure Hunting in Oklahoma
Outlaw country — Belle Starr, Dalton Gang, and Spanish-cache legends in the Wichita and Arbuckle mountains.
Top Oklahoma treasure regions: Wichita Mountains; Arbuckle Mountains; Robbers Cave; Spiro Mounds region (off-limits).
Famous documented cases in Oklahoma: Belle Starr caches; Spanish silver caches (Wichita Mountains); Dalton Gang stash legends.
Belle Starr Outlaw Caches (1880s, status: unrecovered): Belle Starr ran an outlaw network from her ranch (Younger's Bend) in Indian Territory in the 1880s. Multiple cache sites are referenced in period accounts. Murdered 1889 without disclosing locations. Where: Younger's Bend / San Bois Mountains, Oklahoma. Land rules: Much of the area is Cherokee Nation jurisdiction — explicit permission required.
Terrain in Oklahoma: Cross-timbers, prairie, and granite mountains.
Best seasons for field work in Oklahoma: October–May.
Oklahoma state parks are managed by Oklahoma State Parks (https://www.travelok.com/state-parks); check its rules before detecting in any state park.