Mount Tom is a remote mountain

summit A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used only for ...

located within

Olympic National Park Olympic National Park is a national park of the United States located in Washington, on the Olympic Peninsula. The park has four regions: the Pacific coastline, alpine areas, the west-side temperate rainforest, and the forests of the drier e ...

in Jefferson County of

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

state. The nearest higher neighbor is

Mount Olympus Mount Olympus (, , ) is an extensive massif near the Thermaic Gulf of the Aegean Sea, located on the border between Thessaly and Macedonia (Greece), Macedonia, between the regional units of Larissa (regional unit), Larissa and Pieria (regional ...

, to the east. Due to heavy winter snowfalls, Mount Tom supports the massive

White Glacier The Land Glacier () is a broad, heavily crevassed glacier, about long, descending into Land Bay in Marie Byrd Land, Antarctica. It was discovered by the United States Antarctic Service (1939–41) and named for Rear Admiral Emory S. Land, Chairm ...

on its northeast slope, despite its modest elevation. This glacier is the westernmost glacier in the contiguous states, and the summit is the westernmost peak higher than 7000+ feet elevation. Precipitation runoff from the mountain drains into tributaries of the

Hoh River The Hoh River is a river of the Pacific Northwest, located on the Olympic Peninsula in the U.S. state of Washington (state), Washington. About long, the Hoh River originates at the snout of Hoh Glacier on Mount Olympus (Washington), Mount Olym ...

History

The mountain was originally named Mount Reid in 1890 by the Seattle Press Expedition for

Whitelaw Reid Whitelaw Reid (October 27, 1837 – December 15, 1912) was an American politician, diplomat and newspaper editor, as well as the author of ''Ohio in the War'', a popular work of history. After assisting Horace Greeley as editor of the ''New-Yo ...

, editor and proprietor of the ''

New-York Tribune The ''New-York Tribune'' (from 1914: ''New York Tribune'') was an American newspaper founded in 1841 by editor Horace Greeley. It bore the moniker ''New-York Daily Tribune'' from 1842 to 1866 before returning to its original name. From the 1840s ...

''. The history of the mountain's present name has two competing stories. One has it named for Thomas M. Hammond, Jr., a surveyor active in the west end of the

Olympic Peninsula The Olympic Peninsula is a large peninsula in Western Washington that lies across Puget Sound from Seattle, and contains Olympic National Park. It is bounded on the west by the Pacific Ocean, the north by the Strait of Juan de Fuca, and the ...

from 1895 to 1904. The second version has it named after boy scout Thomas Martin, a member of the 1914

first ascent In mountaineering and climbing, a first ascent (abbreviated to FA in climbing guidebook, guide books), is the first successful documented climb to the top of a mountain or the top of a particular climbing route. Early 20th-century mountaineers a ...

climbing party led by Edmond S. Meany. Meany, who was then the Commissioner of Scouting in

Seattle Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...

, promised the party of scouts that the first to reach the summit would have it named for him, and the 13-year-old bested his companions. Tom Martin would later become

Washington State Treasurer The Washington state treasurer is an elected constitutional officer in the executive branch of the U.S. state of Washington. Twenty-two individuals have held the office since statehood. The incumbent is Mike Pellicciotti, a Democrat who began ...

, and a candidate for governor in 1952.

Climate

Based on the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

, Mount Tom is located in the

marine west coast An oceanic climate, also known as a marine climate or maritime climate, is the temperate climate sub-type in Köppen classification represented as ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring co ...

climate zone of western North America.

Weather front A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differences often arises along the boundary. For ins ...

s originating in the Pacific Ocean travel northeast toward the Olympic Mountains. As fronts approach, they are forced upward by the peaks (

orographic lift Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and cr ...

), causing them to drop their moisture in the form of rain or snow. As a result, the Olympics experience high precipitation, especially during the winter months in the form of snowfall. Because of maritime influence, snow tends to be wet and heavy, resulting in

avalanche An avalanche is a rapid flow of snow down a Grade (slope), slope, such as a hill or mountain. Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, othe ...

danger. During winter months weather is usually cloudy, but due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer. The months July through September offer the most favorable weather for viewing or climbing this peak.

Geology

The Olympic Mountains are composed of obducted

clastic Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus,Essentials of Geology, 3rd Ed, Stephen Marshak, p. G-3 chunks, and smaller grains of rock broken off other rocks by ...

wedge material and oceanic crust, primarily

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

turbidite A turbidite is the geologic Deposition (geology), deposit of a turbidity current, which is a type of amalgamation of fluidal and sediment gravity flow responsible for distributing vast amounts of clastic sediment into the deep ocean. Sequencing ...

, and

basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...

ic oceanic crust. The mountains were sculpted during the

Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

era by erosion and glaciers advancing and retreating multiple times.

Gallery

Tom from Carrie.jpg, Mt. Tom from Mt. Carrie Mt. Tom from north.jpg, Mt. Tom from the north Glaciers mountain peaks aerial NPS Photo.jpg, Aerial view from ESE

References

External links