On the morning of September 20, from our lodging in West Yellowstone, we drove down the west side of the lower loop, on our way to see Old Faithful geyser. On the way, though, we took a side trip through Firehole Canyon.
Firehole Canyon (Also shot by Doug with the camcorder)
Yellowstone steam vents
Steam is everywhere in Yellowstone.
Crowd awaiting eruption at Old Faithful
Old Faithful at rest
The eruption begins...
...and gets stronger...
...until it looks like this!