Illinois Great River Road
Scenic Highway · Grafton, Illinois
Five hundred and fifty miles of byway following the Mississippi down the entire western edge of Illinois, from Galena in the far north-west to Cairo at the state's southern tip. It is part of a ten-state route first mapped in 1938, and the Illinois section carries the best of it — a stretch below Alton where limestone bluffs stand directly over the road and the river, which is as close to a mountain road as this state gets.
Great River Road, along the Mississippi River, Grafton, Illinois, 62037, United States
A public highway, drivable year-round. SECTIONS CLOSE IN SPRING FLOODING — check conditions. Individual towns, parks and attractions keep their own hours.
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