Thanks to everyone for their input. I have an idea where this particular trail is and if it's where I think it is, then I have already walked some of it, in the past. It's just the guy at the LBS kinda confused me. He said comfort bikes were only good on asphalt but with the hybrid, I could do hard packed gravel, too. Dang, sometimes, I'm just too trusting. Maybe he wanted to sell me that Raleigh Hybrid.
If I travel north to try out this particular trail, I'll also check out another LBS. Dang, I only live once so I'm spending my kids inheritance.