Oh yea - on topic... You could do the Iron Horse trail in Centerville. http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=5777+terrace+park,+45429&sll=37.0625,-95.677068&sspn=49.310476,79.013672&ie=UTF8&hq=&hnear=5777+Terrace+Park+Dr,+Dayton,+Montgomery,+Ohio+45429&ll=39.658385,-84.136981&spn=0.002949,0.004823&t=h&z=18