Here is a map of all the ski resorts in Colorado. You can click on the name of the resort next to the map to quickly see the one you are looking for. Clicking the name of the resort in the info bubble leads to info on that resort.

Note: If driving to Colorado it is important to note that not all roads are open in the winter. The online directions services do a good job most of the time but it is a good idea to check with the resort about directions as well.