Exhibit hall in the Ben Reifel Visitor Center. Badlands National Park is open 24 hours a day, seven days a week. Entrance fees are collected year round. The park is in the Mountain Time Zone. Cedar Pass 'Badlands Loop Road' Hwy 240. Located at park headquarters, the Ben Reifel Visitor Center reopened in 2006 with new exhibits, a 95-seat, air conditioned theater, a new film, Land of Stone and Light, and improved classroom and restroom facilities. Operating Hours & Seasons - Badlands National Park (U.S. National Park Service)