Ohio Quarter Horse Association always has a great AQHA Trail Ride: http://www.oqha.com/ride.htm
Here I am on Taz in the Hocking Hills of southern Ohio.

The Lorain County (and many other Ohio counties) Ohio Horseman's Club is a great way to meet people with whom you can socialize and trail ride. We plan many activities and have a great time! http://www.loraincountyohc.com/
For a great trainer and quality foundation quarter horses in the W. Va, VA, and Washington D.C. area, check out Angie Robinette-Dublin at her Cowgirl Up Farm www.cowgirlupfarm.com
For wonderful quarter horses from Ohio, visit my friends Adele & Darrell at: http://www.dunlapquarterhorses.com/home