Yellowstone: NORTHEAST ENTRANCE
The Northeast Entrance is the closest one to Billings, Montana, but it’s not the fastest way to get to the park from Billings the fastest is by going through …
Category: National
Back on the boardwalk
Shell Spring (actually a small geyser) has an irregular crater that may remind you of a clamshell. The crater has a mustard-colored lining from sulfurous deposits splashed on during …
Black Sand Basin Walking Tour Yellowstone
NOTE: c This hot spring area is accessible to wheelchairs, but has no curb cut. See the map on 83. If you take the sidewalk a short distance back …
Avoca Spring
Sapphire Pool was delightful to watch in the mid-20th century. It was crystal clear and a beautiful color. Visitors stood transfixed, watching a string of bubbles from far below, …
Yellowstone Map
Early morning shadows catch Old Faithful Inn at a quiet time. A few years after the inn opened, guidebook writer Reau Campbell put it this way: Who shall describe …
An Explosion Crater: Pocket Basin
Geologists have found evidence that Pocket Basin is the crater left from a hydrothermal explosion (or steam explosion) some 10,000 years ago. As the region warmed, glaciers started to …
About Yellowstone’s Geysers
The number of hot springs in the park has been estimated to be around 10,000; geysers active at any one time number at least 500. No one knows the …
Lower Geyser Basin
Seventeen hot spring groups covering about 5 square miles (13 sq km) nestle in the valley of Lower Geyser Basin. Not all are accessible by trail or boardwalk. The …
Black Water and Travertine Yellowstone
Why are Firehole Lake and some of the nearby springs black? There are large amounts of manganese oxide being deposited, more than anywhere else in the park. In fact, …
Great Fountain Geyser
NOTE: The mileage from the beginning of this side road is given in parentheses. Grand Loop Road mileage continues where Firehole Lake Drive rejoins it. © All thermal features …