In ten days I've gone from southwestern New Mexico to southwestern Colorado. The daily weather pattern is the same, since it's the monsoon season. Not so much has changed regarding altitude. A bit more has changed with latitude and temperature.
One of the most noticeable changes is the presence of more running water. It is the highlight of any hike to see my dog stop at a creek crossing and lap up clear stream water against the rocks.
But the biggest change has been in the color green. New Mexico had been greening up by its standards. But here in Ouray forests, greenness overwhelms me. There's just too much of it! Whenever my eyes latch onto something not green, such as in the photo, I stop and gawk at it.