The Wikipedia article about the treasure https://en.wikipedia.org/wiki/Fenn_treasure https://en.wikipedia.org/wiki/Fenn_treasure confirms that the treasure was

The Wikipedia article about the treasure https://en.wikipedia.org/wiki/Fenn_treasure https://en.wikipedia.org/wiki/Fenn_treasure confirms that the treasure was hidden in Wyoming. "On July 22 Fenn stated on the Thrill of the Chase blog site that the treasure's finder had authorized him to disclose, in the interests of closure for many of its searchers, that it had been hidden in Wyoming."