At the entrance to the park
They are by the nature center. That's where you will want to park. Headed south on Darby Creek from Broad Street it is the first entrance to the park on the right side. The bike trail will cross the road before you get to it.
Near the Nature Center
Along the darby creek greenway trail, between the nature center and the main park entrance area.
It's the Prairie Township entrance stay on alkire go over them railroad tracks and the park will be to your right take it all the way into the back and you'll see the Bisons
On the trail half way between the nature preserve and the parking lot entrance of the park
It seems like they have them by the Nature Center in winter, between the trail and the road in summer. Bring binoculars to get a really good look!
Thanks! Your answer is awaiting moderation.