The Black Canyon of the Gunnison National Park is located near Crawford, Colorado for the North Rim, and near Montrose, Colorado for the South Rim. To drive from the South to North rim in one day is about a 2-3 hour drive. It's best to pick one that you are more interested in seeing, so you have more time to explore that one area and fit in a hike.
Handies Peak (14, 048 ft) is located near Silverton, Colorado and just happened to be my first "14er" I've summited! If you aren't familiar with that term, it just means you've hiked a peak that is over 14,000 ft in elevation. There are 96 "14ers" in the US, and Colorado has the most at 57! One down, 56 to go!
Ice Lakes Basin is located near Silverton, CO, a mecca of hiking, backpacking, and camping! Ice Lakes Basin sits at an elevation of 12,500 ft, and the trail begins at 9,900 ft. Because of this, some people get elevation sickness or have a hard time breathing on this hike, especially since it's somewhat steep the entire way. This popular hike offers several lakes, stream crossing, peak viewing, and gorgeous overlooks that can't be beat.