Washington Mountains Map

Created to support learning and reference requirements, the Washington Mountains Map offers a clear view of geographic boundaries and important locations, useful for understanding regional connections, planning, and reference purposes. This Washington Mountains Map is available for offline use through the Download Now button provided below the map.

Washington Mountains Map

About Washington Mountains Map

Explore the map of Washington state showing all the mountain ranges and mountain peaks in Washington state of the United States.


Mountain Ranges in Washington

Range Name Highest Peak Peak Elevation (ft) Approximate Length in WA (mi) Approximate Width (mi) Geologic Province / Type Primary Location / Counties Key Characteristics / Notes
Cascade Range Mount Rainier 14,411 ~400 (north–south span in WA) 60–100 Volcanic arc / North Cascades metamorphic core Western to central WA (Skagit to Skamania) Dominant range bisecting state; active stratovolcanoes; extensive glaciation; North Cascades subregion features rugged metamorphic terrain
Olympic Mountains Mount Olympus 7,980 ~60 ~50 Accreted terrane / uplifted sedimentary and metamorphic rocks Olympic Peninsula (Jefferson, Clallam, Grays Harbor) Horseshoe-shaped massif; temperate rainforest; isolated by surrounding waters; Olympic National Park
Blue Mountains Strawberry Mountain (OR portion); Oregon Butte (WA) ~6,400 (WA high point) ~100 (WA portion) ~50 Columbia River Basalt Group / uplifted plateau Southeastern WA (Asotin, Columbia, Garfield) Extends into Oregon; rolling uplands with deep canyons; part of Columbia Plateau province
North Cascades (subrange of Cascade Range) Goode Mountain 9,220 ~150 ~40–60 Metamorphic and plutonic complex Northern WA (Whatcom, Skagit, Chelan) Extremely rugged alpine terrain; North Cascades National Park; non-volcanic core contrasting southern Cascades
Selkirk Mountains Gypsy Peak 7,309 ~50 (WA portion) ~20–30 Metasedimentary and intrusive rocks Northeastern WA (Pend Oreille) Part of larger Idaho–Montana system; forested ridges; remote wilderness areas
Kettle River Range Columbia Mountain 6,877 ~60 ~20 Metamorphic core complex Northeastern WA (Ferry, Stevens) Part of Okanogan Highlands; rolling summits with granitic intrusions
Okanogan Highlands Disautel Ridge / various ~7,000 ~100 ~50 Metamorphic and volcanic rocks North-central WA (Okanogan, Ferry) Transitional upland between Cascades and Rockies; forested plateaus and ridges
Stuart Range Mount Stuart 9,415 ~20 ~10 Granitic batholith Central WA (Chelan) Prominent subrange of Cascades; dramatic alpine peaks; Alpine Lakes Wilderness

Mountain Peaks in Washington

Peak Name Elevation (ft) Prominence (ft) Isolation (mi) Mountain Range / Subrange County / Counties First Ascent (Year) Key Notes
Mount Rainier (Tahoma) 14,411 13,246 731 Cascade Range (Mount Rainier Area) Pierce 1870 Highest peak in Washington; most prominent in contiguous U.S.; active stratovolcano; extensive glaciers
Liberty Cap (Rainier sub-peak) 14,112 472 1.2 Cascade Range (Mount Rainier Area) Pierce Northwest summit of Rainier massif; often listed separately in prominence-based rankings
Mount Adams (Pahto) 12,276–12,281 8,136 46 Cascade Range (Mount Adams Area) Yakima / Skamania 1854 Second-highest in state; large stratovolcano; extensive ice cap
Little Tahoma 11,138 858 3.5 Cascade Range (Mount Rainier Area) Pierce Prominent satellite peak of Rainier; technical climbing routes
Mount Baker (Kulshan) 10,773–10,781 8,810 132 Cascade Range (Skagit Range) Whatcom 1868 Active stratovolcano; heavy glaciation; third-most prominent in state
Glacier Peak (DaKobed) 10,541–10,597 7,480 56 Cascade Range (Glacier Peak Wilderness) Snohomish / Chelan 1897 Remote stratovolcano; extensive wilderness area
Bonanza Peak 9,511–9,516 3,714 15 Cascade Range (North Cascades) Chelan 1937 Highest non-volcanic peak in Washington
Mount Stuart 9,415–9,420 5,354 23 Cascade Range (Stuart Range) Chelan 1873–1883 Iconic granitic massif; Alpine Lakes Wilderness
Mount Fernow 9,249 2,589 7 Cascade Range (Entiat Mountains) Chelan Prominent North Cascades summit
Goode Mountain 9,200 3,808 18 Cascade Range (North Cascades) Chelan Highest peak in North Cascades National Park
Mount Shuksan 9,125–9,131 2,755 11 Cascade Range (North Cascades) Whatcom Iconic alpine peak; dramatic north face; Mount Baker–Snoqualmie National Forest
Buckner Mountain 9,111–9,112 2,351 7 Cascade Range (North Cascades) Skagit / Chelan Lidar-adjusted elevation; rugged North Cascades terrain
Mount Olympus 7,973–7,980 7,842 108 Olympic Mountains Jefferson 1907 Highest in Olympic Mountains; Olympic National Park; heavy precipitation
Mount St. Helens (Lawetlat'la) 8,333 (post-1980) 4,573 34 Cascade Range (Mount St. Helens Area) Skamania Active volcano; elevation reduced from 9,677 ft after 1980 eruption

Mountains Ranges and Peaks in Washington State

High up in Washington State, where the sky meets rolling hills, nature shows her wild side. Massive peaks rise fast from ancient rocks, pushed by hidden forces deep below. Smoke sometimes hangs around Mount Rainier because fires meet stone there every spring. Rain falls hard here, then vanishes overnight into dry creek beds just a few miles away. People come from cities just to stand quiet at trailheads, breathing slow and deep. Glaciers carve paths through valleys nobody maintains, silent except for cracking sounds when ice shifts under dark snow. Scientists trudge through marshy meadows looking at plants that changed growth patterns after volcanoes slept again. Even roads twist strangely near rivers fed by thawing slopes - water shifts color every hour. The Olympic Mountains push steep cliffs straight into saltwater, wearing stone thin year after year. Earth keeps reshaping this ground without asking permission. By late January 2026, watchful groups such as the U.S. Geological Survey report steady situations near nearly all active volcanoes, indicating nothing urgent brewing beneath, even though minor earthquakes now and then mark how alive this land remains. Updates come straight from trusted offices - like survey reports or park logs - to show what these places truly look like right now, unfiltered by old guesses or myths.

Major Mountain Ranges

The Cascade Range

Running south from north, the Cascade Range splits western wetlands from drylands eastward in Washington. Though part of a broader coastal chain, its shape comes from ocean crust - the Juan de Fuca Plate - sliding under North America. That movement started roughly ten million years back, lifting rock upward while sparking fires and forming mountains. Now standing tall are five high points: Baker, Glacier Peak, Rainier, Adams, along with St. Helens - each one adding to an overall height near six thousand feet; above the rest, their summits rise sharper still. Rock layers in the Cascades show old lava, ash, and sand deposits - constantly changed by ice and wear. In recent times, tiny earthquakes have happened near peaks; by February 2026, every volcano stood quiet, without alarm. Small tremors appeared at Mount Rainier, Mount St. Helens, and surrounding areas - not dangerous now. At 14,409 feet, the range’s peak rises in Pierce County, drawing visitors and scientists alike. More than 3,000 glaciers stick to its sides, placing it ahead of any lower-continent mountain in frozen mass. Faster glacier melting, driven by global warming, is shrinking ice masses across this region. Less ice means changed water movement - essential for people living nearby.

The Olympic Mountains

Out of the Pacific, right on Washington’s Olympic Peninsula, rises a sharp mountain chain - sudden, steep, barely a few dozen miles wide from beach to peak near eight thousand feet. Over forty million years back, deep beneath the seafloor, pieces of rock were pushed beneath the continent itself at the edge where the Cascadia plate slips. What now stands above is bent rock - layers of old seabed transformed under pressure, folded like paper, stitched together by ancient forces. On either side, dark basalt layers rest beneath; above, valleys fill with gravel and boulders dragged down by glaciers long since melted. About thirty-four million years old, the start of this lifting marks when the Juan de Fuca Plate started bumping into North America, bending down ancient underwater layers into upright stacks today seen at places such as Hurricane Ridge. Far above the surrounding peaks, Mount Olympus rises to 7,980 feet in Jefferson County, shaping a network of glaciers - eight in total - among them the vast Blue Glacier, still shaping U-shaped valleys even as it pulls back because temperatures keep rising. By 2026, weather erosion matches the gentle push of tectonic movement, holding the ground firm though constantly reshaped, where beaches show signs of old river flows and tilted rocks hint at long-lost mudslides. Heavy rain falls here more than many places, feeding damp woods and attracting varied life, though heavy downpours late in 2025 triggered slides on slopes already prone to slipping.

The Blue Mountains

Rising east of the Columbia River, beyond eastern Oregon's rim, the Blue Mountains stand tall with dense woods, standing apart from peaks shaped by basalt flows. At nearly nine thousand feet, its peak sits in Union County, Oregon, yet reaches into Washington’s Columbia and Walla Walla areas. From long-ago rock shifts - volcanic rocks mixed with layered deposits - came the shape now worn smooth by time: rounded tablelands, carved gorges. Research by U.S. mapping teams classifies this region within the Columbia River Basalt Formation, capped later by deposited materials, where massive stands of ponderosa pine thrive alongside animal migration routes. Not far from the Cascades, the Blue Mountains show almost no signs of today's tectonic movement. Instead, their landscape tells a story carved by forces like the Snake and Grande Ronde rivers. By 2026 numbers suggest little change lately - no large earthquakes or volcanic bursts worth noting. Yet smoke often rises now more than before, due to dryland fire risks growing stronger each year. Covering about 4,000 square miles along the edge of states, these high points store rain and snow, supplying farm taps across southern Washington. When winter dries up, people head there not just for water but trails too, especially within the Umatilla National Forest.

The Selkirk Mountains

Far up in Washington’s northeast, the Selkirk Mountains stretch from Idaho and British Columbia, forming a wild landscape of icy peaks and long gorges. At its highest point - 5,331 feet in Boundary County - you find rocks shaped long ago in old continents’ crashes, today hidden beneath dense woodlands and high pastures. What lies beneath owes its roots to deep geological past, lifted when the Rockies took shape nearby, then carved again under frozen rivers of ice millions years back, carving hollow valleys and piles of glacial drift. By 2026, seismic activity had slowed in the region, with nature groups turning attention toward saving habitats while weather patterns change - earlier melts, later herds. Though shorter than peaks farther west, the Selkirks stand apart due to their distance from others, hosting rare life forms like grizzlies and caribou. These peaks hold weight as undisturbed wildlife zones across the Inland Northwest.

Notable Peaks

Mount Rainier

Up high above Seattle, one mountain holds court - Mount Rainier. At 14,411 feet, it towers as the tallest in Washington. Built slowly through ages past, its shape grew from rivers of molten rock, dust from fire, and broken stone piled high. Where older volcanoes once sank beneath time, this new form rose, shaped by bursts of flame and slow flows long gone. Lava last visited about 2,200 years before now; so did smoke from hidden vents near the top, some 1,000 years recent. Experts see it not as a single peak but part of a wider cone, marked by sharp lines - Rampart, Gibraltar - all shaped by ice that slides, cuts, carries more frozen water than any neighboring mountain can. Glaciers here do the work none else does. Even so, data from 2026 points to steady underground movement, punctuated now and then by light tremors, yet nothing suggests an explosion is close. Still, because of past lahars - dirty river floods - people nearby know danger lingers beneath the surface. Back in 1899, a park began forming around one of North America’s most active volcanoes. Today, more than two million people walk through its gates every year. They trek through fields of blooming wildflowers, wander under trees that have stood for centuries, or head up steep paths meant for climbers. Scientists here monitor how glaciers are shrinking faster than they once did - about 40% less ice remains compared to a century ago.

Mount Adams

Beyond Mount Rainier, Mount Adams stands as the next tallest in Washington, reaching 12,273 feet. Rising in Yakima County, it shapes a wide, frozen volcano form, quieter than nearby peaks yet nearly as massive. Built through ancient andesitic flows more than half a million years back, its latest major eruptions date roughly one thousand years to the past. A landslide tied to volcanic activity happened just before modern times arrived. Gentle gradients mark its surface, covered in green meadows and scattered lakes. Effusive eruptions left such shapes behind, unlike explosive ones that blast higher. Traversing these areas suits hikers and those skiing far-off trails alike. Right now, in 2026 terms, things look steady beneath the surface - no sudden shifts in seismic patterns show up, so attention turns toward rebuilding nature where old fires struck. Work happens inside the Gifford Pinchot National Forest, where Mount Adams stands host to varied plants - some appearing only once in a while - and holds deep meaning for groups such as the Yakama Nation; they consider the peak holy ground.

Mount Olympus

Up high, near 7,980 feet, Mount Olympus rises from the Olympic Mountains, shaped by tectonic forces. Atop it sits a cluster of glaciers, surrounded by a ring of older rock layers carved from sea deposits. Compression deep below once bent these layers upward; today they show their history in steep escarpments and wide glacial troughs. Though shorter than peaks far west in the Cascades, its remote location plus massive winter falls - sometimes over thirty-five feet - make climbing difficult even for seasoned travelers. By 2026, glaciers keep losing ice, the Blue Glacier pulling back sharply after the 1980s, affecting streams and fish lives below. High up in Olympic National Park - a place recognized by UNESCO as a heritage treasure - climbers make their way to the summit over several days, looking down on dense woodland while reminding everyone how environmental protections matter more than ever with shifting weather patterns taking hold.

Mount Baker

Beyond the central Cascades, Mount Baker towers at 10,781 feet in Whatcom County - a peak shaped by repeated volcanic flows. Its slope stretches thick with glaciers, signs of deep heat long at work beneath the surface. Rising from layers of andesite then dacite, rock formations took shape more than a million years back. A quiet burst unfolded in 1843, spewing dust through the air along with muddy floods that rolled down valleys. Since then, wisps of vapor still rise from Sherman Crater, steady reminders of force below. Traces on modern geologic charts show how it fits within the active arc stretching along the range. Melt climbs upward pulled by slippage beneath older rock, feeding movement deep within the earth. Even in early 2026, the volcano stays within expected ranges, while staff track changes at observation points. Up on the slopes, Mount Baker-Snoqualmie keeps things active through all seasons - ski trails lit after heavy snows, hiking routes ending near ancient ash deposits. People passing through often learn about hidden forces beneath the ground, without needing lectures. Respect for nature tends to grow quietly alongside each path taken.

Mount St. Helens

A single eruption in 1980 slashed Mount St. Helens from 9,677 feet to 8,365 feet - now standing at 8,363 feet following dome rises between 2004 and 2008. Rising some 100 million cubic meters during that span, its shape shifted sharply under intense force. Born around 275,000 years ago, this peak has reshaped itself repeatedly over millennia. A curved hollow marks what remains since the explosion reshaped the landscape entirely. Life returns slowly; weeds like lupine take root where explosions once cleared everything. By 2026, tiny tremors continue, yet overall energy stays low, with no new eruptions following 2008. Though quiet now, people keep watching - more than half a million come each year to see how life rebuilds around the mountain. The Mount St. Helens National Volcanic Monument shares something deeper than facts: strength grows where fire once burned, teaching quiet lessons in balance and care.