National Park regulations generally call for people to keep a minimum of 25 meters between themselves and most wildlife, including elk. This regulation exists to insure that elk remain relatively undisturbed, and that people remain relatively safe. Unfortunately, there's always a number of people who are either unaware of or choose to ignore this minimum-distance regulation. Most problems that occur between the public and elk usually come about when tourists try to get too close, to get a better snapshot with their snapshot cameras. More often than not a dominant bull elk attending to his harem of cows will false charge anyone who gets too close and send them scurrying for the protection of the nearest tree, car or structure. However, on rare occasion bulls don't false charge and people are injured.