August 27-28, 2023 – Theodore Roosevelt National Park – Painted Canyon and North Unit and Medora, ND
Sunday, we drove 68 miles to the North Unit of Theodore Roosevelt National Park. A few miles outside of Medora on I94 we stopped at the Painted Canyon Visitor Center. We took a short trail that ran along the rim of Painted Canyon. The views were beautiful, but the picture does not show all the color. We continued to the North Unit and took the scenic drive – 28 miles roundtrip in and back. A short way into the drive we had to stop for bison on the road. This was one of the many times we would have to stop for bison – we are so happy. These large round rocks on the floor and protruding from the butte are called cannonball concretions. They were formed when sand grains from an ancient river deposit were cemented together by minerals dissolved in groundwater. Erosion is slowly exposing them. On the other side of the butte there was a whole pile of these “cannonballs”. Like the South Unit the North Unit has a variety of landscapes – we like the contrast between the badlands and