Dawsons Butte is located between Larkspur and Castle Rock on Tomah Road. The main loop is five miles around and is great for running. It can be run in either direction and is a downhill on the way out and uphill on the way back either way. There are additional side trails as well for additonal miles. This trail is very popular for horse riding and the side trails include jumps. The main trail is better for running and hiking and is very smooth.
Other Trail Run Caches to try:
GC58ZCG Palmer Divide Trail
GC58ZC1 Section 16 (Black Forest)
GC5A429 Spruce Mountain
GC5BP1Q Lincoln Mountain
GC6250Y Pikes Peak Loop