![](http://image.absoluteastronomy.com/images//topicimages/l/le/lewis_river_(wyoming).gif)
Lewis River (Wyoming)
Encyclopedia
The Lewis River is an 18.1 miles (29.1 km) tributary of the Snake River
. The entire course of the river is located within the boundaries of Yellowstone National Park
in Wyoming
. The river is named for Meriwether Lewis
, commander of the Lewis and Clark Expedition
.
The Lewis River begins at the southern end of Shoshone Lake
and flows southerly approximately 3 miles (5 km) to Lewis Lake
. This short stretch of the river is the only portion of the river where boating is permitted. The river reemerges at the southern end of Lewis Lake and flows in a general southerly direction through a steep canyon roughly paralleling the south entrance road toward the south entrance of the park. Below Lewis Lake the river passes over several cascades and waterfalls including Lewis Falls
. Shortly before leaving the park, the Lewis River merges with the Snake River, changing the course of the Snake southward. The Snake soon flows out of Yellowstone into Grand Teton National Park
and Jackson Lake
.
The Lewis River has rapids up to Class VI and takes a 29 feet (8.8 m) drop at Lewis Falls, the most famous of many waterfalls and rapids on this short but scenic river.
Brown
, rainbow
and cutthroat trout
are found in the river.
Snake River
The Snake is a major river of the greater Pacific Northwest in the United States. At long, it is the largest tributary of the Columbia River, the largest North American river that empties into the Pacific Ocean...
. The entire course of the river is located within the boundaries of Yellowstone National Park
Yellowstone National Park
Yellowstone National Park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872, is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho...
in Wyoming
Wyoming
Wyoming is a state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High...
. The river is named for Meriwether Lewis
Meriwether Lewis
Meriwether Lewis was an American explorer, soldier, and public administrator, best known for his role as the leader of the Lewis and Clark Expedition also known as the Corps of Discovery, with William Clark...
, commander of the Lewis and Clark Expedition
Lewis and Clark Expedition
The Lewis and Clark Expedition, or ″Corps of Discovery Expedition" was the first transcontinental expedition to the Pacific Coast by the United States. Commissioned by President Thomas Jefferson and led by two Virginia-born veterans of Indian wars in the Ohio Valley, Meriwether Lewis and William...
.
The Lewis River begins at the southern end of Shoshone Lake
Shoshone Lake
Shoshone Lake is a backcountry lake with the area of elevated at in the southwest section of Yellowstone National Park, Wyoming, US. It lies at the headwaters of the Lewis River a tributary of the Snake River. The U.S...
and flows southerly approximately 3 miles (5 km) to Lewis Lake
Lewis Lake (Wyoming)
Lewis Lake is located in the U. S. state of Wyoming in the southern part of Yellowstone National Park, about southeast of Shoshone Lake, and approximately southwest of Yellowstone Lake. Lewis Lake and Shoshone Lake are both located a few miles northeast of the Pitchstone Plateau.The Lewis River...
. This short stretch of the river is the only portion of the river where boating is permitted. The river reemerges at the southern end of Lewis Lake and flows in a general southerly direction through a steep canyon roughly paralleling the south entrance road toward the south entrance of the park. Below Lewis Lake the river passes over several cascades and waterfalls including Lewis Falls
Lewis Falls
The Lewis Falls are located on the Lewis River in Yellowstone National Park, Wyoming, United States. The falls drop approximately and are easily seen from the road, approximately halfway between the south entrance to the park and Grant Village....
. Shortly before leaving the park, the Lewis River merges with the Snake River, changing the course of the Snake southward. The Snake soon flows out of Yellowstone into Grand Teton National Park
Grand Teton National Park
Grand Teton National Park is a United States National Park located in northwestern Wyoming, U.S. The Park consists of approximately and includes the major peaks of the long Teton Range as well as most of the northern sections of the valley known as Jackson Hole. Only south of Yellowstone...
and Jackson Lake
Jackson Lake
Jackson Lake is a lake located in north western Wyoming in Grand Teton National Park. The lake is natural, except for the top 33 feet , which is due to the construction of Jackson Lake Dam, built in 1911. This top level of the lake is utilized by farmers in Idaho for irrigation purposes...
.
The Lewis River has rapids up to Class VI and takes a 29 feet (8.8 m) drop at Lewis Falls, the most famous of many waterfalls and rapids on this short but scenic river.
Brown
Brown trout
The brown trout and the sea trout are fish of the same species....
, rainbow
Rainbow trout
The rainbow trout is a species of salmonid native to tributaries of the Pacific Ocean in Asia and North America. The steelhead is a sea run rainbow trout usually returning to freshwater to spawn after 2 to 3 years at sea. In other words, rainbow trout and steelhead trout are the same species....
and cutthroat trout
Cutthroat trout
The cutthroat trout is a species of freshwater fish in the salmon family of order Salmoniformes. It is one of the many fish species colloquially known as trout...
are found in the river.