Hey there! Bootleg Canyon is awesome. I think the local bike shop All-Mountain Cyclery operates a weekend shuttle fall-spring so you can get in more laps. Bootleg is famous for its gnarly DH trails, but there are good all-mountain, XC options, too.
For traditional XC pedaling and miles, check out the Cottonwood Valley Trail system. It is about 15 miles west of Vegas.
When you’re in town, stop by a local bike shop and tell them what kind of riding you’d like to do. Our family always does this and the locals are always very helpful.