Francis National Forest in Stone County in northern Arkansas, USA, 2 miles (3.2 km) off Highway 14 a short distance north of Mountain View.

It follows the upstream section of the cave, allowing visitors to see all three levels as the original explorers did, continuing beyond where the Discovery Trail ends.

[4] The limestone rock from which the caves and their formations developed was laid down in an ancient sea more than 350 million years ago.

[4] Blanchard remains a "living" cave in part because of the care given by visitors and the United States Forest Service.

Thus, the formations inside continue to grow as calcite is actively deposited by seeping and dripping water.