The Crescent Knoll Overlook, # 9 on the trail map , is located a short walking distance to the west of the Maritz Trail House. This beautifully crafted structure provides panoramic views of the Meramec River valley and acres of dolomite limestone glade habitat. A diversity of plant and animal life can be observed at this location, including numerous species of wildflowers, butterflies and birds. Seasonally changing interpretive flip cards provide photographs and natural history information for commonly observed species. A viewing scope gives visitors the opportunity to take a closer look at the diversity of plants and animals that inhabit this area. The overlook is accessible to wheelchairs from the west end of the Maritz Trail House parking lot.