Free State Park Entrance – August – Active Duty Military ...Are you on active duty or a military veteran? Thank you for your service! Colorado Parks and Wildlife […] This entry was posted in 10-or-less Colorado Division of Wildlife State Park and tagged Active-Duty Advice Backpacking Biking Bird Watching Boating Camping Colorado Cooking Entrance Fee Fishing Fly Fishing Free Hiking Horse Back Riding Hunting Information Military No Fee Photography RV Camping Shore Fishing State Park Tent Camping Tips Veteran on July 29, 2016 by Camper T