Mixed woodland and savanna with a stream; supposed to harbor wildlife. Probably good for wildflowers through spring and fall because of the different habitats. 79 acres, no trails, and none too easy to walk through. A large area in front of the savanna is apparently farmed, although it has Nature Conservancy signs around it. Frankly, I'd take a pass on this and visit Stoutsburg Savanna or Tefft Savanna.At one time this was a property owned by the Nature Conservancy, and they still have a web page for it, which tells what you can see here:
A diverse selection of plants and animals, some which are endangered or threatened, make their home at the Holley. In the seasonal, vernal pools the freshwater fairy shrimp lives his whole life there while the tiger salamander makes it their breeding ground along with the chorus frogs, spring peepers and leopard & gray tree frogs. If you're lucky, you may spot the slender grass lizard - a special concern specie in Indiana - or the primrose-leaved violet, a state-threatened plant.NICHES Land Trust. It was transferred in December, 2005. (The white fence behind the sign separates the nature preserve from the North Star Cemetery.)
The part along Newton County Road 100S looks like it is being restored to prairie. This was probably the cornfield mentioned in the first passage above.
Alternatively, go north on US 231 until you reach Jasper County Road 200S. Turn west and go about ten miles. When you will go over the Interstate and past the Burr Oak Mennonite Church, you are over half way there.