What sort of course do you like to play? Denver is a city of extremes. You have a tiny, yet super challenging Johnny Roberts in Arvada. It's not long at all, but it is tough. Lots of locals eat this course up.
If you want wide open, this town has that in abundance, however, at elevation, what you're throwing now won't work the same way you're use to. Less Stable is much more stable now. So if you choose bomber course like Bird's Nest or Interlocken. Those are fine.
The town has a ton of disc golf, but if you want to see some premiere courses... Head up to Conifer and Beaver Ranch. Super tough, lots of elevation and it's pretty. They are the kind of courses you play just because they're famous.
Have fun... I know there is a website that was helpful for me Mile High Disc Golf... Go check that out.