This gold-silver telluride mine, located in the Gold Hill Mining District of Boulder County, has a rich history. Placer gold was first discovered in the area in 1859 at Gold Run, whose watershed includes Cash Gulch. The gold-silver telluride veins were identified much later, with the claim staked in 1872. During the program, you’ll learn more about the mine’s history and the mineralogy of its ores. Space is limited. Registration required. Register .tribe-events-c-subscribe-dropdown{display:none;}

More than half of the owl species in the U.S. have been seen in Boulder County. These owls live here during parts of the year, and most will build their nests here. Join volunteer naturalists for an indoor slide program to explore these fascinating and diverse creatures and learn about the adaptations that make them expert hunters. Registration required. Register .tribe-events-c-subscribe-dropdown{display:none;}