Sangamon River Forest Preserve is one of the most beautiful and rich habitats in Champaign County. This oak savanna is home to some of the largest and oldest trees around. Enjoy a guided hike during the new moon to explore the landscapes of the savanna around us and the stars above. We may even hear the calls of owls and coyotes. Please dress for the weather. $2 per person. Registration required; (217) 896-2455 or email@example.com. Sangamon River Forest Preserve, 2797 CR 600E, Fisher, 6 â€“ 7:30 p.m.