Does Yellowstone Stink? The Rotten Egg Smell Explained
Yes, Yellowstone National Park is known for its strong, unpleasant odors, particularly around its geothermal features such as hot springs and mudpots. The primary cause of these odors is the presence of hydrogen sulfide gas, which is released from these geothermal areas. Hydrogen sulfide is responsible for the characteristic “rotten egg” smell that many visitors … Read more