We visited Yellowstone this year, choosing the stay to the east of the park and enter from the East Entrance. So we stayed at an RV Park in Wapiti, WY. It’s a real nice park along a river (but it’s down a steep ravine so we couldn’t access the river!). The little town of Wapiti has rock formations all over the place that are real interesting! Here are several that we could see right from the RV Park: