What is there to do during the summer time at Copper Mountain, Colorado?

So I am going to Colorado over the summer and i was wondering what there is to do at Copper Mountain resort. I know they're a big ski/snowboard/tubing place but what is there to do during the summer time?What is there to do during the summer time at Copper Mountain, Colorado?
Hiking and golf mostly. Here is their Website

http://www.coppercolorado.com/winter/sum鈥?/a>