That's great that you and your Dad ride together. I'd give an awful lot for another day with my Dad.
I'll be up your way in a few months. I live in LV, and plan to ride that area when I start getting time off. Get a cheap hotel and truck the bike up for day trips.
Honda CT70, Hodaka Dirt Squirt, Kawasaki Versys, Suzuki TU250,
Honda CRF250L, Honda CRF80F, Honda CRF230F, Honda CL70.
Nothing's too cruel if it's funny enough.