As US 31 curves around to the northeast and east in Charlevoix County, it follows a section of the Lake Michigan shoreline that is not considered to be part of any bay. The highway continues through Northern Michigan agricultural areas to the southeast of Charlevoix.
US 31 meanders around to the northeast and east in Charlevoix County, following a stretch of Lake Michigan's shore that isn't considered part of any bay. The road then travels through agricultural areas in northern Michigan toward the southeast of Charlevoix.