Gold Hill-Wakamatsu Preservation Act - Authorizes the Secretary of the Interior to acquire the Gold Hill Ranch in Coloma, California, including any interest in the Ranch, by purchase from a willing seller with donated or appropriated funds, donation, or exchange.
Authorizes the Secretary to enter into a cooperative agreement with public or nonprofit entities to interpret the history of the Wakamatsu Tea and Silk Farm Colony and related pioneer history associated with Japanese immigration to the area. Permits the development of a visitor center.