Blue Knob, Johnson County IL
View Blue Knob Topographic Map
Latitude: 37.3678302°N
Longitude: -88.7508902°W
Approx Elevation: 505 ft (154 m)
Topo Map Name: Mermet
Category: Summits
Other Places to Explore
Johnson County Arches (2)
Johnson County Cliffs (5)
Johnson County Pillars (1)
Johnson County Ridges (1)
Johnson County Summits (4)
Map and location information for Blue Knob in Illinois: Blue Knob is one of the Summits in Johnson County, IL and can be found on the Mermet USGS topographic quad map. The GPS coordinates are 37.3678302 (latitude), -88.7508902 (longitude) and the approximate elevation is 505 feet (154 meters) above sea level. Have you been to Illinois's Blue Knob before? If so, we ask that you post a quick review of it below. Tell us the time of year, what your goal was, and how your trip went. Thanks for sharing your experience at Blue Knob!