Grand Prismatic Spring

Welcome to the Atlas Obscura Community discussion of Grand Prismatic Spring in Yellowstone National Park, Wyoming. Ask questions or share travel tips, experiences, pictures, or general comments with the community. For the story behind this place, check out the Atlas Obscura entry:

This is perhaps my favorite geothermal feature in the entire Park. Do not miss it. Go early in the morning or toward dusk to avoid the crowds.