Reserve a campsite online or learn more about lodging and activities at Indianapolis KOA. 172 reviews #1 of 4 Specialty lodging in Greenfield Location 4.2 Cleanliness 3.9 Service 3.9 Value 3.7 This KOA has camping for all types of RVs including long sites with patios! No RV? No problem. You'll find sites for tents and Cabins for those without a tent.