Lamar Valley is a wildlife haven along the Lamar River. In fact, this valley is often referred to as "America's Serengeti" because of its abundance of animals. Bison are most commonly spotted here ...

When hydrologist Bob Beschta arrived in Yellowstone in 1996, he noticed something odd with the Lamar River. The stream was over-widened, the banks were eroding and precious soil was sloughing off ...