Within driving distance for a day-trip from Southern California
Small, Poor snow quality, Crowded, Overpriced
Compared to the rest of the resorts in Southern California, it is the best, but that is not saying much. (Mammoth is NOT in Southern California; it's a 5 hour drive from L.A. and only 2 hours from Tahoe.) Snow Summit and all of the other Southern California resorts are 1/3 of the size of a normal mountain. It's about the size of Peak 9 at Breckenridge and less challenging. There are only 2 runs that equate to anying more than an intermediate run and half of their challenge is the fact that they're ice sheets most of the time. If it wasn't the best resort within driving distance for a day-trip from Southern California, I would never go. Like some other posters have said, I only go as a warm-up day to get my ski legs back before my first big trip of the season.
Tip 1: Avoid the weekends! Standing in a liftline for 45 minutes for a 4 minute cruizer run is not worth it.
Tip 2: Atleast 2/3 of people there are snowboarders, and most of them stick to Summit Run and the Westridge terrain park. Unless you are a beginner (Summit Run) or terrain park ripper (Westridge), avoid these areas.