Cornucopia is a ghost town built during the gold mining boom of the 1880s in Eastern Oregon, United States. The town was officially platted in 1886 and was a mining town with various levels of success until it was abandoned in 1942. It is now primarily a tourist attraction as a ghost town. It is located east of Baker City high in the mountains of Pine Valley al…Cornucopia is a ghost town built during the gold mining boom of the 1880s in Eastern Oregon, United States. The town was officially platted in 1886 and was a mining town with various levels of success until it was abandoned in 1942. It is now primarily a tourist attraction as a ghost town. It is located east of Baker City high in the mountains of Pine Valley almost due north of Halfway, Oregon, on Oregon Route 86.