New Almaden, Mercury mining heritage site in San Jose, California, US
New Almaden is a former mining settlement in San Jose that spans over 4,000 acres with preserved mining structures, residential buildings, and the Casa Grande mansion. The area follows Alamitos Creek and displays the physical layout of how miners once lived and worked in this region.
Founded in 1845, this site operated as California's first and largest mercury mine, producing materials needed for gold processing during the Gold Rush era. The mining operation shaped the region's economy for many decades.
The settlement drew workers from Mexico, Cornwall, and China, each group establishing their own neighborhoods with distinct building styles and customs that remain visible today. Walking through the area, you notice how these different communities left their mark on the local architecture and way of life.
The New Almaden Quicksilver Mining Museum is housed in Casa Grande and displays mining artifacts along with guided tours of the historic site. Plan your visit for quieter weekdays when you can move around more freely and see the buildings without crowding.
The Carson-Perham Adobe, built between 1848 and 1850, ranks among the oldest existing structures constructed by Mexican miners in the region. This adobe building offers a glimpse into the construction methods and living conditions of early mining residents.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
