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Great Lakes Quarry in Lemont offers a convenient boat ramp for kayakers, canoeists, and motorboaters looking to access this popular inland water body. The quarry averages approximately 15 feet in depth and can reach depths up to 45 feet, making it suitable for various paddling skill levels. A gravel boat ramp provides the primary launch point, with carry-in access also available at the east end of the quarry for those preferring to avoid the ramp.
The site includes two picnic areas with shade, making it a good spot for a day outing. Fishing is permitted throughout the quarries, and the Village of Lemont manages the area under a Cooperative Management Agreement with the Illinois Department of Natural Resources Division of Fisheries. The nearby Illinois Waterway Visitor Center offers additional recreation opportunities, including views of lock and dam operations and impressive towboat traffic—a unique feature for those interested in inland waterway commerce.