Pine Hills Nature Preserve contains several deep canyons in sandstone, as well as one of Indiana's few areas of natural pine forest. It is adjacent to Shades State Park and can be reached from one of the trails at Shades.

Honeycomb Rock at Pine Hills, 5/22/06.

The view from the top of a ridge called "Devil's Backbone", 5/22/06. The topography here is apparently a classic example of an incised meander.

Clifty Creek at Pine Hills, 5/22/06.

Shadows of redbud leaves in Clifty Creek, 5/22/06.