Gun owners, go ahead and pack heat along with that camping gear.
The gun law was passed by Congress and signed by President Obama in May.
Under the previous law, firearms were only allowed in some Alaska parks and those parks that allow hunting.
A warning: the new gun law does not override other laws. Gun owners still must abide by local and state gun laws while in national parks.
The National Park Service is emphasizing personal responsibility when it comes to interpreting the ease in gun restrictions.
Washington, D.C., Maryland and Virginia local news, events and information
“Residents of each of those jurisdictions have the responsibility -- have the duty -- to know and to educate themselves as to what those laws are,” Line added.
There are still some parts of national parks where guns won’t be allowed. Firearms must be kept out of any indoor buildings including visitor centers, offices and maintenance buildings. To avoid confusion, parks have posted “firearms prohibited” signs at public entrances.
Ask a National Parks worker if you are unsure about how the gun laws apply in your area.