As of February 22, 2010, a new Federal law allows people who can legally possess firearms under applicable federal, state, and local laws, to legally possess firearms in this park. It is the responsibility of visitors to understand and comply with all applicable state, local, and federal firearms laws before entering this park. As a starting point about state and local firearms laws, please go to the following web site and select the state that you are interested in from the right side of the page:
And for state reciprocity agreements:
Federal law also prohibits firearms in certain facilities in this park; those places are marked with signs at all public entrances.