# Almaden Quicksilver Mining Museum at Casa Grande > Place to go for families in the San Jose–Sunnyvale–Santa Clara area (CA). Times are Pacific Time. - When: Saturdays and Sundays 12:00–4:00 pm year-round, except Christmas Day and New Year's Day… - Where: Almaden Quicksilver Mining Museum (Casa Grande), 21350 Almaden Road, San Jose, CA 95120 - Ages: All ages - Price: Suggested donation of $2 per person - Schedule: Saturdays and Sundays 12:00–4:00 pm year-round, except Christmas Day and New Year's Day; Fridays group tours by reservation; closed Monday–Thursday. Grounds open daily 8:00 am–sunset. - Organizer: Santa Clara County Parks - Official page: https://parks.santaclaracounty.gov/ - Last checked: Sat, Oct 24 Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Oct 24, 2026, with more added regularly. About: https://grassyknees.com/about Freshness: listings are re-checked on a daily research run (latest check 2026-10-24), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/san-jose/activities/almaden-quicksilver-mining-museum-at-casa-grande--listing-390d6c13c4c2532714521068 ## About In the stately 1854 Casa Grande manor at the edge of Almaden Quicksilver County Park, this county museum tells how local mercury (quicksilver) mining fed the California gold rush. Kids can peer into a mine-tunnel display that gives a glimpse of underground work, look at photographs of the old mine workings, and see artifacts and models showing how mercury was processed. Other rooms show how Cornish, Mexican and Chinese mining families lived and worked together in the 'hill' communities, and Casa Grande's Victorian-era rooms show life in the manor. It works well paired with a hike on the park's mining-history trails. The museum and grounds are ADA accessible; dress warmly, as the building's heat is not working. 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