On day four of our Yellowstone trip, we drove down from the Madison Campground to Old Faithful, exploring the Midway Geyser Basin on the way.
With a little detour for bison by Fountain Flat Drive:
Midway Geyser Basin:
Boardwalk:
Runoff:
Blue thermal pool:
Jenn:
Green thermal pool:
Boardwalk and geysers:
Geysers:
Then on to the Old Faithful area; here’s the visitor center:
Old Faithful lodge:
Old Faithful geyser, with a crowd watching it erupt:
Back at the campground, and the nearby Madison river: