Eagle Cave Resort and Campground is very unique. This is a private campground that is located in the city of Blue River. An onyx cave is located here and can be explored from September to May. Other activities in the area include fishing, canoeing, and hiking. A total of 78 tent and trailer sites are offered and the maximum RV length is 35 feet. Sites all have access to grills, water, firewood, and a playground for children.