How many people on average visit Old Faithful Geyser in Yellowstone National Park per day?
The NPS may keep track of how many visitors per day visit the Old Faithful area (Upper Geyser Basin) but I have never seen any statistics to indicate that they do. However, I did find an article that was published on April 20, 2006 in the Yellowstone Park News that said nearly 10,000 visitors per day visit the Old Faithful area. I assume this is a summer average and not an annual average.