Presidents Day Weekend at Zion National Park starts with trail closures, abbreviated shuttle schedule By Eleanor Siebers Thousands of Zion National Park visitors are expected over the Presidents Day Weekend beginning Feb. 15. In 2018, the park hosted more than 25,000 visitors, an 18 percent increase over the 2017 holiday weekend. Even if visitation numbers … Continue reading Presidents Day Weekend at Zion National Park starts with trail closures, abbreviated shuttle schedule