Big Muddy Monster: Illinois Bigfoot Legend Explored

Posted Tuesday, July 07, 2026

By Squatchable.com staff

There's a fascinating rabbit hole to fall down if you're into Midwest cryptid lore, and a recent video from the Kraken Cans Cast podcast dives headfirst into one of the most compelling Bigfoot legends to come out of Illinois. The episode focuses on the Big Muddy Monster, a hairy hominid reportedly spotted near the Big Muddy River in Murphy'sboro, Illinois, back in the summer of 1973. According to the witnesses who came forward, the creature stood nearly seven feet tall and was completely covered in mud. It didn't take long for word to spread around town, and soon everyone was talking about the massive beast lurking along the riverbanks. The hosts of the podcast spend a good chunk of time setting the scene, explaining just how perfect the geography of the area is for a creature like this to remain hidden. The Big Muddy River runs 156 miles through southern Illinois before feeding into the Mississippi River just south of Murphy'sboro. The river is known for carrying heavy sediment, which gives the water that thick, muddy appearance and provides exactly the kind of cover a reclusive hominid would need to stay out of sight. Fog, low visibility, and sparse human activity all make this region a prime candidate for ongoing sightings. What makes this story even more interesting is that the 1973 encounter wasn't actually the first time something strange was reported in the area. The podcast traces the legend all the way back to the fall of 1949, when workers at a local scrapyard spotted a creature standing near the railroad tracks. They described it as large, upright, with a wolflike or doglike face, and covered in dark hair. One of the most consistent details that came out of that early sighting was the overwhelming foul odor the creature gave off, something that would echo through later reports as well. Locals were so concerned that some residents actually searched the nearby woods, and at least one bounty was reportedly offered for the creature. Hunters combed the area but came up empty-handed. The hosts also touch on the skeptical explanations that have been floated over the years, including the idea that witnesses may have simply seen a black bear standing on its hind legs. At the time of the 1949 sighting, Illinois still had occasional black bear activity in certain regions, so it's not an unreasonable theory. But for anyone who's spent time researching hominid encounters across the country, the details in these reports line up with patterns seen in dozens of other regions. The foul odor, the upright posture, the dark hair, the massive size, these are recurring themes in Bigfoot encounters from the Pacific Northwest to the Appalachians and everywhere in between. Illinois itself has a surprisingly rich history of Bigfoot sightings. The state sits in a kind of geographic middle ground, with vast forests, river bottoms, and plenty of wilderness areas that could easily support a population of reclusive hominids. The Shawnee National Forest, which isn't far from Murphy'sboro, covers more than 280,000 acres of rugged terrain in southern Illinois, complete with bluffs, swamps, and dense hardwood forest. It's the kind of place where something could easily remain unseen for decades, only occasionally venturing out near human settlements along the river corridors. The Big Muddy Monster legend is a great example of how these stories tend to develop over time. You get an initial isolated sighting that doesn't get much attention, and then decades later, a cluster of encounters brings the whole thing back into the spotlight. The 1970s flap in Murphy'sboro is exactly that pattern, and it's worth digging into if you're interested in how regional Bigfoot legends grow and evolve. The podcast episode is worth checking out for anyone who wants a deeper dive into the story. The hosts do a solid job of laying out the history, the geography, and the witness accounts, and they approach the topic with a healthy mix of curiosity and open-mindedness. Plus, they pair the whole thing with a beer review and some hot sauce tasting, which makes for a pretty entertaining listen even if you're just in it for the cryptid content. For more on Bigfoot sightings across the Midwest and beyond, there are plenty of resources out there for researchers and enthusiasts alike. The BFRO database has documented encounters from all over Illinois, including several reports from Jackson County, where Murphy'sboro is located. And sites like Weird Darkness and the Crypted MTO Empire, both referenced in the episode, have extensive archives of regional folklore and paranormal stories that are worth exploring. The Big Muddy Monster may not have the name recognition of some other regional Bigfoot legends, but the story has all the ingredients that make these encounters so compelling, multiple witnesses, consistent physical descriptions, a landscape that supports the possibility, and a history that stretches back decades. It's the kind of case that deserves more attention from researchers, and this podcast episode is a good starting point for anyone looking to dig deeper.