Contains four miles of trails through woods along a marsh. It is approximately 195 acres, with 7 acres in Scifres-Maier Woods Nature Preserve. The Celery Bog Nature Area is home to the Lilly Nature Center and contains 4.3 miles of paved Cattail Trail and a 1.5 mile footpath with interpretive signs and two viewing decks. Amenities: Footpaths, Nature Preserve, Trails. Due to COVID-19 the Lilly Nature Center is closed until further notice.