The Lamar River and Its Valley
Valley The glacier-carved Lamar Valley entered the historical record as far back as 1836 in Journal of a Trapper by Osborne Russell. He praised the Secluded Valley for its …
Category: Vacations
Blue Star and Chinese Spring Side Trail
If you take the left fork before going down to cross the river and walk around Geyser Hill, you can take a short side trip to three hot springs. …
The Twin Lakes Problem
Various authorities have puzzled over and disagreed about which way Twin Lakes drain. The 1986 U.S.G.S. topographical map shows no inlet or outlet for North Twin Lake and only …
Upper Geyser Basin
Upper Geyser Basin stretches in a right triangle from Old Faithful Geyser north and west, mostly along the Firehole River. The hot springs and geysers draw upon the local …
Geology at Terrace Spring
The water at the north end of Terrace Spring appears to be boiling but has been measured at only 141°F (61°C). The bubbling is due to carbon dioxide gas …
Meanders and the Northern Pacific Railway
Trout Creek is an excellent example of meanders, or the windings a stream forms when it flows across nearly level ground. As the water flows through this remnant of …
Yellowstone Petrified Trees
South of the road is a remarkable phenomenon: high up on the slopes, trees that used to grow here have been turned to solid stone. This happened long before …
Yellowstone Park’s Eastern Edge
A glance at any current map of Yellowstone Park shows that its boundaries are mostly straight, except for the eastern edge. In fact, if you look closely at that …