not sure about cards, but Crossville TN is on the Cumberland Plateau and cooler than the valley. Several parks in the area. I would say Bean Pot and Deer Run parks might have more activities.
Ute Mountain Casino Towaoc, Colorado has an RV park. Reasonable rates.
Lonny & Diane
2004 Country Coach Allure 33' "Big Blue"
Towing 2008 Chev Colorado 4x4
Semper Fi