Jer in the Denver area posts here and teaches mountain flying.
Why not stop and visit for a while.

Peter R. wrote:
Disregarding the concept of density altitude as I am already familiar with
its affect on aircraft performance, would it still be advisable for me to
seek out some mountain flying instruction? My intention for this flight
is not to get too near the higher peaks of the Rockies, with the exception
of overflying the southern range in New Mexico.