4. The Elkhorn Mountains
The Elkhorn Mountains, located near Helena, offer a fantastic rockhounding experience for those seeking a variety of minerals. With its rich deposits of silver, lead, and zinc, this area has attracted miners for centuries. While exploring the Elkhorn Mountains, keep an eye out for galena, sphalerite, and tetrahedrite. You might also come across beautiful quartz crystals and agates. Be sure to check the local regulations regarding collecting minerals in this area.