Cedar Creek Canyon (Indiana)

Cedar Creek Canyon is a small, geologically significant ravine located in DeKalb County, Indiana. Despite being called a "canyon," it is more accurately described as a deep, narrow valley carved by Cedar Creek, a tributary of the St. Joseph River. The canyon is notable for its exposed Mississippian-age bedrock, providing a visible geological record not commonly found in the relatively flat landscape of northeastern Indiana.

The canyon walls are primarily composed of Coldwater Shale, a type of sedimentary rock that was formed from ancient mud deposited in a shallow sea millions of years ago. This shale is relatively soft and easily eroded, which contributes to the canyon's steep sides and the ongoing process of downcutting by Cedar Creek.

The area supports a unique ecosystem for the region, characterized by cooler and moister microclimates within the canyon compared to the surrounding upland areas. This allows for the growth of plant species that are more typically found in cooler, more northern environments. The canyon is a popular spot for hiking, nature observation, and geological study. Public access is limited and often requires permission from landowners. Preservation efforts are in place to protect the canyon's fragile environment and geological features.