When my son first became interested in mountain biking last year, I wanted to be part of his learning experience. My old bike was about 25 years old. Although it served me well for all those years, I quickly found out that it was inadequate for all of our adventuring needs. I began to research and (with my wife’s begrudging agreement) purchase the correct bikes, tools, and gear. Now the fun begins! After riding the few Upper Valley mountain biking trails that we knew, we wanted to explore and discover new places. By searching online, talking to friends, and other riders, we discovered that the Upper Valley has many places…