Tag: Grand Prismatic Geyser

Hi, I'm Michael Lanza, creator of The Big Outside and former Northwest Editor at Backpacker magazine. Click my photo to learn more about me and my blog. Sign up for my free email newsletter in the blue box above. Click on Subscribe Now! in the main menu (top right) to get full access to all of my stories on America's best backpacking, hiking, and outdoor adventures. And click on Ask Me in the main menu to learn how I can help you plan your next trip.