WASHINGTON — In eastern Montana, the Yellowstone River is lined with rimrock cliffs that extend more than a hundred feet in the air. They posed a substantial obstacle to settlers moving west, as well as migrating herds of bison, deer, and elk and the wolves that followed them. At one point, about thirty miles east of Billings, a pillar of rock rises from the prairie, seemingly chunked out of the wall and moved across the water. From many angles it’s easy to miss this huge feature, but the resulting gap provides a way past the rimrock, and the pillar has been a guidepost to travelers for centuries.
This rock monolith is now a national monument, and our daughter Maggie just spent a season working there as a park ranger. We’ll let her tell you a bit about it.
Read the full story from Roadtreking.