· Join Longmont Public Library outreach staff for a family fun day full of live music, singing, dancing, crafts and more to celebrate Grandparents Day. Please feel free to bring a blanket and your lunch. We will provide water and a sweet treat. How to get to the Visitors Center: Turn south onto Sandstone Drive from Highway 119 Drive past the soccer fields on your right Look for a slight left hand turn and signage for the Sandstone Ranch upper parking lot. The upper parking lot is where you will park. The Visitor’s Center is a short walk away from the upper parking lot. Use the the road or follow a dirt trail to the Visitor Center entrance. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live