« All Events This event has passed. Winter Camp Dec 26, 2018, 8:30am – 3:30pm Advance registration required by: One week prior. If you register later, you’ll incur a $15 surcharge. Register online at: https://register.parksreconline.com/grayslake.html Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: Dec 26, 2018 8:30am – 3:30pm Organizer Venue Address: