The mt wilson mountain bike enduro day is an incredible series of gravity fed mountain biking bliss in the san gabriel mountains near mt wilson california bring your buds call your neighbors get on a plane if you have to just make sure you are here to taste mile after mile of single track heaven most rides start around 5000 and end about 800 you can expect almost 30 miles of gravity assisted riding there is a lot of downhill mountain biking going on dont wait weekend seating is alwa