Signal Mountain is an isolated summit standing above
sea level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...
. The mountain is located in
Grand Teton National Park
Grand Teton National Park is an American national park in northwestern Wyoming. At approximately , the park includes the major peaks of the Teton Range as well as most of the northern sections of the valley known as Jackson Hole. Grand Teton ...
in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...
of
Wyoming
Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the s ...
. The next closest higher summit is more than distant, and this isolation provides sweeping views of the
Teton Range
The Teton Range is a mountain range of the Rocky Mountains in North America. It extends for approximately in a north–south direction through the U.S. state of Wyoming, east of the Idaho state line. It is south of Yellowstone National Park and ...
, much of the northern
Jackson Hole
Jackson Hole (originally called Jackson's Hole by mountain men) is a valley between the Gros Ventre and Teton mountain ranges in the U.S. state of Wyoming, near the border with Idaho, in Teton County, one of the richest counties in the Unit ...
area as well as the
Snake River. Though located adjacent to the Tetons, Signal Mountain was not formed in the same manner or period. The mountain originally was formed by volcanic ashfall from one of the eruptions of the
Yellowstone hotspot
The Yellowstone hotspot is a volcanic hotspot in the United States responsible for large scale volcanism in Idaho, Montana, Nevada, Oregon, and Wyoming, formed as the North American tectonic plate moved over it. It formed the eastern Snake Riv ...
. The peak is also partially a glacial
moraine formed by a receding glacier that came south out of the
Yellowstone icecap.
['Creation of the Teton Landscape' by David D. Love & John C. Reed] This same glacier also created neighboring
Jackson Lake.
Signal Mountain has a long road providing vehicular access to an observation area located just below the main summit. The
Signal Mountain Trail is a hiking trail that goes from Signal Mountain Lodge to the summit and covers a distance of .
The trail splits mid-way for a portion of approximately , allowing hikers to take either a trail along the lower part of the ridge or south of the ridge past a series of small ponds. The trails then rejoin and steepen over the last mile to reach the secondary summit of the mountain, the Jackson Lake Overlook. The trail rises approximately from the lodge to the overlook, though on the ridge trail there is quite a bit of up and down that adds a few hundred feet to the
cumulative elevation gain
In running, cycling, and mountaineering, cumulative elevation gain refers to the sum of every gain in elevation throughout an entire trip. It is sometimes also known as cumulative gain or elevation gain, or often in the context of mountain travel, ...
. The trail is a hiking only trail,
mountain biking and
horseback riding
Equestrianism (from Latin , , , 'horseman', 'horse'), commonly known as horse riding (Commonwealth English) or horseback riding (American English), includes the disciplines of riding, driving, and vaulting. This broad description includes the ...
are not permitted by the park service. The road is a popular biking destination due to the difficult climb up and then (after turning around at the summit) continuous downhill experienced on a portion of the road.
See also
*
Geology of the Grand Teton area The geology of the Grand Teton area consists of some of the oldest rocks and one of the youngest mountain ranges in North America. The Teton Range, partly located in Grand Teton National Park, started to grow some 9 million years ago. An older fea ...
References
{{Mountains of Wyoming
Mountains of Grand Teton National Park
Mountains of Wyoming
Mountains of Teton County, Wyoming