Here is a link for the location in Google Maps.
Directions for those who don’t use GPS:
Take I-99 to Rt 453 east. Drive to Rt 22 east at Water Street and then bear left onto Main Street to Alexandria. Then take the first left, Barree Road to the Village of Barree. Drive across the bridge over the Little Juniata River and turn onto the first left, Mountain Road. The Little Juniata Natural Area parking lot is at the very end of the road.