<P> Twenty - eight states have national parks , as do the territories of American Samoa and the United States Virgin Islands . California has the most ( nine ) , followed by Alaska ( eight ) , Utah ( five ) , and Colorado ( four ) . The largest national park is Wrangell -- St. Elias in Alaska : at over 8 million acres ( 32,375 km ) , it is larger than each of the nine smallest states . The next three largest parks are also in Alaska . The smallest park is Gateway Arch National Park , Missouri , at approximately 192.83 acres ( 0.7804 km ) . The total area protected by national parks is approximately 52.2 million acres ( 211,000 km ) , for an average of 870 thousand acres ( 3,500 km ) but a median of only 229 thousand acres ( 930 km ) . </P>
<P> Twenty - eight states have national parks , as do the territories of American Samoa and the United States Virgin Islands . California has the most ( nine ) , followed by Alaska ( eight ) , Utah ( five ) , and Colorado ( four ) . The largest national park is Wrangell -- St. Elias in Alaska : at over 8 million acres ( 32,375 km ) , it is larger than each of the nine smallest states . The next three largest parks are also in Alaska . The smallest park is Gateway Arch National Park , Missouri , at approximately 192.83 acres ( 0.7804 km ) . The total area protected by national parks is approximately 52.2 million acres ( 211,000 km ) , for an average of 870 thousand acres ( 3,500 km ) but a median of only 229 thousand acres ( 930 km ) . </P>
what 's the largest national park in the united states
what 's the largest national park in the united states
Wrangell -- St. Elias in Alaska
Wrangell -- St. Elias in Alaska