The Piasa (pronounced “PIE-uh-saw”), often called the Piasa Bird, is a creature painted on the limestone bluffs above the Mississippi River near Alton, Illinois. The original painting was seen and described by the French explorer Jacques Marquette in 1673, and it is one of the earliest descriptions of Native American rock art in North America. Most of what people “know” about the Piasa, however, including its name, its wings and its story of a man-eating bird slain by a heroic chief, was invented or added by writers in the nineteenth century. The original image was destroyed by quarrying, and the painting on the bluff today is a modern reconstruction.[1][2][3]
| Location | Bluffs above the Mississippi River, Alton, Illinois |
|---|---|
| First described | 1673, by Jacques Marquette, on the expedition with Louis Jolliet |
| Original form | Two painted monsters; no wings mentioned |
| Colors (Marquette) | Green, red and black |
| Name “Piasa” | Popularized by John Russell, 1836; meaning disputed |
| Original painting | Destroyed by limestone quarrying in the 19th century |
| Current image | 22 × 48 ft mural painted in the late 1990s under artist Dave Stevens |
| Likely cultural roots | Underwater Panther imagery of the Mississippian and later peoples |
What Marquette saw in 1673
In the summer of 1673, Marquette and Louis Jolliet were traveling down the Mississippi by canoe. Near the mouth of the Illinois River, they passed high, smooth rock faces on which two monsters had been painted. Marquette’s journal describes creatures as large as a calf, with horns like a deer, red eyes, a beard like a tiger’s, a face somewhat like a man’s, a body covered in scales and a tail so long that it wound around the body, passed over the head and back between the legs, ending like a fish’s tail. He remarked that the painting was so well done that he could hardly believe a Native artist had made it, and that “Green, red, and black are the three Colors composing the Picture.”[1][2]
Two things stand out. Marquette describes two creatures, not one, and he says nothing about wings. Nor does he give a name. The image he describes, a horned, scaled, long-tailed animal with feline and human features, is much closer to a water monster than a bird.[1]
How the Piasa became a bird
The painting remained a landmark for travelers on the river through the eighteenth and early nineteenth centuries, but its appearance seems to have changed in the telling, and the monster gradually grew wings.[1]
- 1825: William Dennis made a sketch of the bluff painting, labeled “Flying Dragon,” the earliest surviving picture.[1]
- 1836: John Russell, a professor at Shurtleff College in Upper Alton, published “The Piasa: An Indian Tradition of Illinois.” He gave the creature its now-familiar name and told of a monstrous bird that carried off and devoured people until the Illini chief Ouatoga offered himself as bait while hidden warriors shot it with poisoned arrows. Russell later admitted to his son that he had invented the legend, and published a revised version in 1847.[1][3]
- 1847: the Swiss artist Rudolf Kurz described the painting as a colossal eagle.[1]
- 1857 and 1887: Henry Lewis published a picture of the bluff painting with wings in 1857, and William McAdams’ 1887 illustration fixed the winged, dragon-like Piasa in the popular imagination.[1]
By the late nineteenth century, the Piasa had become a terrifying bird-dragon, and Russell’s story was being retold as genuine Native American tradition. It is not; there is no independent record of it before Russell wrote it down.[1][3]
Why the invented legend stuck
Russell’s tale had everything a nineteenth-century reader wanted: a noble chief, a self-sacrificing hero, a monster and a real landmark that anyone traveling the river could see for themselves. It was reprinted in newspapers, local histories and guidebooks, and as the original painting faded and was eventually destroyed, there was nothing left to check the story against. Each new illustration was copied from the previous one rather than from the rock, so the wings, the scales and the dragon-like head became more dramatic with each generation. The legend became part of Alton’s identity, and local businesses, schools and civic groups adopted the creature as a mascot.[1][2]
The Piasa is a good example of a pattern found throughout this index. A genuine object or event, in this case a real painting seen by a reliable witness, is gradually overlaid with invented detail until the invention becomes the version everyone remembers.
What does “Piasa” mean?
Russell claimed the name meant “the bird that devours men.” Linguists and historians have proposed several other readings, including Ives Goddard, and there is no agreement on the word’s origin or meaning. What is clear is that Russell’s translation is not supported, and that Marquette himself gave no name for the painting.[1]
The Underwater Panther
If Marquette’s description is accurate, the original painting probably belongs to a widespread tradition across the Great Lakes and Mississippi valley: the Underwater Panther, a powerful horned, scaled, long-tailed being of the waters and the underworld. Many Native nations told of such creatures, and similar horned and long-tailed beings appear in Mississippian art connected with the region of Cahokia, the great prehistoric city a short distance downriver near present-day St. Louis. The Piasa’s bluff, overlooking the river near its confluence with the Illinois, would be an appropriate place to paint such a being.[1][2]
The lost original and the modern mural
The bluff painting did not survive. The limestone of the Alton bluffs was quarried in the nineteenth century, and the face holding the painting was destroyed, with sources variously placing its loss in the 1840s or the 1870s.[1][2]
Alton has tried to keep the image alive ever since. Replicas were painted on the bluffs at various times between 1924 and the 1960s, and a steel sculpture of the Piasa erected in 1983 later collapsed. The present image, a 22 by 48 foot mural painted in the late 1990s under the direction of artist Dave Stevens, is based on the winged nineteenth-century illustrations rather than Marquette’s wingless description. It can be seen from the Great River Road just north of downtown Alton.[1]
Our assessment
The Piasa is a genuine piece of history, but not a cryptid in the usual sense. There was a real painting, seen by Marquette, of two water monsters that likely represented the Underwater Panther of Native tradition. The “Piasa Bird” of postcards, plaques and the modern mural is a nineteenth-century creation, built from a wingless monster, a professor’s invented legend and illustrators’ imagination. Unlike winged cryptids such as the Thunderbird or the Owlman, there were never claimed sightings of a living Piasa. Its story is about how images and legends change, and how a lost artwork can be reinvented.
References
- “Piasa,” Wikipedia, citing Marquette’s journal, Russell (1836), Goddard, and others.
- “The Piasa Bird,” Illinois State Museum, RiverWeb.
- “Piasa bird,” Encyclopaedia Britannica.
Correction note (October 2026): This entry was rewritten from documented sources. Earlier versions repeated the 1836 “legend” as authentic Native tradition. The illustration above is an artistic impression.