Undine Falls
In the northern part of Yellowstone National Park, there are a number of waterfalls. This one was not marked with any big signs, but I decided to stop anyway. Linda and I really liked this two staged waterfall. It is on the Grand Loop Road between Tower Junction and Mammoth.
Nikon D300s
ISO: 200
Shutter speed: 1/25 sec
Aperture: f/29.0
Focal length: 105.0 mm