 Frederick Health's Radio for a Cause calendar. The Mount Tabor Church of Rocky Ridge will host a festival on Saturday, July 20th from 3 until 8. It'll be at the Mount Tabor Park, home of the Big Slide, featuring home-cooked food like soup sandwiches, iced tea, and ice cream. There will also be live music from Honky Tonk Twins from 5 until 8. Join the Mount Tabor Church of Rocky Ridge on July 20th for a day of Christian fellowship.