Liberty Mountain Resort | 494 followers on LinkedIn. Liberty Mountain Resort, a privately owned company, is located in Carroll Valley, PA, 90 minutes north of Washington, DC and Baltimore, MD and 10 miles from historic Gettysburg National Park. A rapidly growing four season resort, Liberty offers year-round recreational activities, including skiing, snowboarding, snow tubing, ice skating and golf. Additionally, we offer over 22,000 square feet of full service banquet and conference areas including multiple wedding venues, several full and fast service dining outlets, and 116 hotel guest rooms.