Tremonton, UT

The Crystal Festival gem and mineral show comes to Tremonton, Utah — the heart of Box Elder County and the northern Utah agricultural corridor — for a summer weekend of rocks, minerals, gems, and crystals. If you've been searching for a gem show in northern Utah, a rock and mineral show in Box Elder County, or a crystal show near the Utah-Idaho border, the Crystal Festival Tremonton is the event for you. Tremonton sits in the Bear River Valley, surrounded by the Promontory Mountains and the Malad Range, in a region with rich geological history tied to ancient Lake Bonneville — the massive prehistoric lake whose shorelines are still visible on the hillsides above town. Box Elder County is known for its fossil localities, mineral collecting sites, and the stunning geology of the Great Basin. This Crystal Festival show brings 30+ curated vendors offering raw specimens, polished stones, crystal jewelry, fossils, and rare collector minerals from around the world. Whether you're a Utah rockhound, a crystal collector, or a family looking for a unique summer outing in northern Utah, the Crystal Festival Tremonton is the gem and mineral show Box Elder County has been waiting for. Kid's activities at every show. Free admission and free parking.