A couple of weeks ago I hiked Carpenter Peak with my friend K and the Colorado Mountain Club. Carpenter Peak is located in Roxborough State Park, which is a National Natural Landmark. The Fountain Formations are over 300 million years old!
This was a nice easy/moderate hike, with a fairly smooth trail. Great for my recovering ankle that I rolled on Mt. Bierstadt. We hiked in and out for ~6.5 miles roundtrip with about 1,000 ft elevation gain. Here's a few pictures: