On day five of our Yellowstone trip, our second full day in the park, we drove up from the Madison Campground to the Mammoth area.

On the way, a stop at Gibbon Falls:

The Gibbon River below the falls:

Sheepeater Cliff:

Arriving at Mammoth, we saw some elk lazing by a building:

While eating lunch on some grass, the rangers started getting excited about elk moving nearby, telling everyone to give them space. A female and young elk wandered through the grass where we had been sitting:

Followed by a bull, who was trying to get them to go back to the others:

The elk back by the building:

The Mammoth terraces:

A nearby bridge and valley:

On the way back to the campground, we encountered a bison jam; just a bison slowly wandering down the road, followed by a line of cars: