The Lunken Airport Bike Path is a 5-mile loop trail that circles Lunken's airport. Much of the trail sits atop the levee that protects the airport from flooding of the Little Miami River. The paved path is wide and affords many nice views of the airport for those plane-spotters. You also get nice views of the river in places.
The Lunken Airport Bike Path links to the Armleder Park Trail
To park, take US Route 50 (historic Columbia Parkway and Eastern Avenue) to Ohio Route 125 (Beechmont Avenue) and turn right. Park by the driving range on the left side of the road.
I recently had the opportunity to skate the Lunken Bike Path (September, 2012). After reading the TrailLink info and reviewing several maps (Google Earth, etc.) I was planning to just skate the loop around the airport. The connection to the Armleder Park, ...
Mostly flat, but there are two large hills as you go up and down on the levee that bounds the airport to the east and south. Nice views of the airport around the trail.