Almaden Quicksilver County Park is located in the Santa Clara County, California, and covers over 4,000 acres of natural landscape. The park is known for its rich history in mercury mining, which took place during the 19th century. Visitors can explore various trails that offer scenic views of the surrounding hills and valleys. The park features several historical sites, including remnants of old mining operations and the Quicksilver Mining Museum. It provides opportunities for hiking, biking, and wildlife observation, making it a popular destination for outdoor enthusiasts and families alike.