Fun Facts Before he became the notorious, gun-slinging outlaw Butch Cassidy, Robert Leroy Parker briefly lived and worked around Rock Springs. There, he reportedly gained the nickname “Butch” while working at a local butcher shop. Sharpshooting legend Calamity Jane also spent some time around Rock Springs, and rumor has it she had a dugout on what is now M Street. In 1869 and 1871, American explorer Major John Wesley Powell used Green River’s Expedition Island as the launch point for his journeys to map out the Green and Colorado rivers and document the Grand Canyon. While Pilot Butte serves as an important habitat for wild horses, its position atop White Mountain makes it a valuable navigation landmark for passing pilots. 244 10+ DAYS OF SUNSHINE 30+ ? LODGING ESTABLISHMENTS GROUP -FRIENDLY ESTABLISHMENTS 80+ RESTAURANTS 1,500 WILD HORSES National Award-Winning Downtown Rock Springs Most miles of still-visible pioneer trails in the U.S. Home to the world’s largest, most easily accessed deposit of trona — a mineral used to make glass, paper and more Largest Reservoir in Wyoming Host of one of the world’s largest gatherings of international rodeo competitors Home to the nation’s newest All-American Road (Flaming Gorge Scenic Byway) it’s one of only 37 in the U.S. EXPLORE WY.COM 15
Sweetwater County Official Travel Guide 2025/2026: Page 15
