Turkey Run State Park

Located in west-central Indiana, Turkey Run State Park is a haven of natural beauty along Sugar Creek, known for its sandstone gorges, dense forests, and clear waters.

The park’s geologic story began around 225 million years ago during the Pennsylvanian Period when rivers deposited sediment into an inland sea, forming unconsolidated quartz sand. Over time, this material compacted into sandstone. Evidence of ancient river activity, such as crossbedding, can still be seen in the rock outcrops. Glaciers over the last million years further shaped the landscape, depositing boulders known as glacial erratics—rocks like granite, gneiss, and basalt carried from Canada. The force of glacial meltwater carved canyons into the sandstone, while tumbling erratics sometimes created potholes, such as the notable Punchbowl.

Vertical fractures in the sandstone, caused by tectonic activity, widened during the Pleistocene as freeze-thaw cycles fractured the rock. This process created features like Ice Box, Box Canyon, and Wedge Rock.

Sugar Creek, which bisects the park, serves as a critical corridor for wildlife migration and dispersal. Groundwater surfacing through gravel deposits supports unique ecosystems, including stands of eastern hemlock. These remnants of a colder post-glacial climate are rare in Indiana, surviving only in protected areas like Turkey Run’s canyons. Early surveyors noted the hemlocks in 1819, and they persist as a testament to the park’s ecological history.

In 1916, Turkey Run became Indiana’s second state park, thanks to the Lusk family’s efforts to preserve its fragile landscapes. Later, portions of the park were designated as the Rocky Hollow Falls Canyon Nature Preserve, granting it even greater environmental protection.

Today, Turkey Run State Park offers 14 miles of trails, ranging from easy walks to challenging hikes through narrow canyons. Visitors can canoe along Sugar Creek to admire the park’s cliffs and wildlife or stay at the historic Turkey Run Inn. Whether exploring the trails or simply enjoying the serenity of the landscape, Turkey Run remains a timeless destination that inspires all who visit.

Turkey Run State Park and the Rocky Hollow-Falls Canyon Nature Preserve offer 14 miles of hiking trails ranging from easy to rugged. Some trails follow ravine streambeds, which can become impassable or flooded during high water. Trail 3 includes sections with ladders.