Directory of Colorado State Parks
- Campsite reservations, links to each park, activities, fees, online passes, and a kids activity page.
- http://parks.state.co.us/

Mount Zirkel Wilderness Area
- Listing trails, travel restrictions, hunting and fishing regulations, and other recreational information for this park.
- http://www.mountzirkelwilderness.com/

Colorado State Parks
- Wildernet presents detailed descriptions of activities in Colorado's state parks and nearby areas.
- http://www.wildernet.com/colorado/stateparks.html