Great Falls VA Park is one of the most special National Parks in the country. Only a short eleven miles from Washington, D.C., this 800-acre park offers a look at how the landscape looked back at the beginning of American history. Great Falls Park hiking is some of the best near Vienna, Virginia and you can take full advantage with a vacation package. With a comfortable stay at Vienna Wolf Trap Hotel, you'll feel refreshed to explore Great Falls Park trails all weekend long.