Mount Rainier National Park Trivia
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60 free Mount Rainier National Park trivia questions with answers — geography quiz, new questions added Aug 2026.
This Mount Rainier National Park trivia quiz covers the 1899 park that wraps a 14,410-foot glaciated volcano an hour and a half from Seattle. It ranges over the developed areas (Paradise, Longmire, Sunrise, Ohanapecosh and the Carbon River rainforest), the record-setting snow at Paradise, the 93-mile Wonderland Trail, and the glaciers that give the mountain the biggest ice cover of any peak in the lower 48. There is plenty of history and geology too: George Vancouver naming the peak for a Royal Navy friend, the long fight over 'Tacoma' versus 'Rainier', the 1870 first ascent and Fay Fuller's 1890 climb, the Osceola Mudflow that sheared off the old summit, the lahar sirens that now guard Pierce County, and the 1947 sighting over the mountain that gave the world the phrase 'flying saucers'. Questions run from easy to expert with the difficulty shown on each one, so it works for a car game on the drive to Paradise or a serious park-nerd challenge. Every answer was checked against a reference page and each question carries its citation. If you enjoy it, try our Yellowstone, Grand Canyon and US National Parks quizzes next.
30 of 60 questions with answers and explanations. Play the quiz
Q 01Mount Rainier is the highest peak of which mountain range?
Cascades
Cascades. The range's great peaks are volcanoes, built where an ocean plate plunges beneath North America, the same engine that blew apart nearby Mount St. Helens in 1980.
Q 02By what other name, from Indigenous languages, is Mount Rainier widely known?
Tahoma
Tahoma. A sister form, Tacoma, was once used interchangeably with Rainier, and people in the nearby city of that name pressed for decades to have the peak renamed.
Q 03Mount Rainier National Park lies in which U.S. state?
Washington
Washington. Rainier is the state's highest peak and one of its great hazards: mudflows from the volcano have reached the Puget Sound lowlands and could threaten the valleys below again.
Q 04Which national park is older than Mount Rainier, the nation's fifth?
Yosemite
Yosemite. Only it, Yellowstone, Sequoia and General Grant came first; scientists joined the campaign for Rainier's park because they wanted its glaciers preserved for study.
Q 05Which president signed the 1899 act that created Mount Rainier National Park?
William McKinley
William McKinley. He signed it on March 2, 1899; Theodore Roosevelt, the president most linked with the parks, only took office after McKinley was shot in 1901.
Q 06Mount Rainier is what kind of volcano?
Stratovolcano
Stratovolcano: Rainier's steep cone is stacked from andesite lava flows and loose debris, and hot volcanic gases have rotted parts of it into weak clay, which is why its flanks can give way as huge mudflows.
Q 07Why has Mount Rainier's summit dropped about 10 feet since the 1990s?
Its ice cap melted
Its ice cap melted: a 2025 study found about 20 feet of ice gone from Columbia Crest, the ice dome surveyed at 14,410 feet in 1956, so a bare rock point on the crater rim is now the highest spot.
Q 08Which marmot species whistles its alarm call from Mount Rainier's subalpine meadows?
Hoary marmot
Hoary marmot: its piercing alarm call earned it the nickname 'whistler', and British Columbia's London Mountain was renamed Whistler after the animal before it opened as a ski resort.
Q 09Which explorer named Mount Rainier after his friend, Rear Admiral Peter Rainier?
George Vancouver
George Vancouver named the peak in May 1792 while charting Puget Sound, yet the admiral never saw the mountain that carries his name, and he had fought against the Americans in their War of Independence.
Q 10In 1833 Hudson's Bay Company doctor William Tolmie entered today's Mount Rainier National Park seeking what?
Medicinal plants
Medicinal plants: the trip made Tolmie the first European known to explore the area, and a saxifrage he collected there and Tolmie Peak both still carry his name.
Q 11The 1930s log visitor buildings at Yakima Park, on Mount Rainier's northeast side, were built to resemble what?
A frontier fort
A frontier fort: planners gave the ridge-top complex log blockhouses and a stockade, but the big hotel meant to anchor it was never finished and survives only as a day lodge.
Q 12Which glacier on Mount Rainier's north side holds the most ice?
Carbon Glacier
Carbon Glacier is unusually thick, about 700 feet at its deepest, which is why it holds the most ice; it also reaches lower than any other glacier in the contiguous United States, to about 3,500 feet.
Q 13Which Rainier glacier is the largest by surface area in the contiguous United States?
Emmons
Q 21Which ski area broke Mount Rainier's single-season snowfall record in the winter of 1998-99?
Mount Baker
Mount Baker Ski Area logged 1,140 inches that winter, edging the old mark by a foot and a half, even though the resort sits miles from the volcano it is named for, nearer to neighbouring Mount Shuksan.
Q 22What 14-foot showpiece was built for the lobby of Mount Rainier's 1916 inn?
A grandfather clock
A grandfather clock: carpenter Hans Fraehnke built its case and the lobby piano's, and the inn closed for two years from 2006 so the winter-battered building could be set on a solid foundation.
Q 23The Alaska cedar logs that frame Mount Rainier's grand 1916 timber inn came from trees killed by what?
A forest fire
Emmons Glacier covers about 4.3 square miles of the northeast flank, and a 1963 rockfall that buried its lower end in debris shielded the ice from melting so well that the glacier surged forward in the early 1980s.
Q 14Which trail makes a complete loop around Mount Rainier?
Wonderland
The Wonderland Trail lost most of its low river bridges to a November 2006 flood, and it took well over a thousand volunteers working beside park crews to get the whole loop open again the following August.
Q 15Roughly how long is the trail that circles Mount Rainier?
93 miles
93 miles: the loop is never level, climbing over one ridge and dropping to the next river again and again, which is why most hikers need 10 to 14 days to finish it.
Q 16The loop trail around Mount Rainier was first completed in 1915 mainly for whose use?
Rangers
Rangers: the first loop hugged the park boundary at low elevation, where it stayed clear of snow longer, so that patrols could cover the park watching for fires and poachers.
Q 17What is the highest point on the loop trail that circles Mount Rainier?
Panhandle Gap
Panhandle Gap is the loop's high point, a rocky pass where snow lingers well into summer, which is why the park warns that hiking the circuit before mid-July calls for ice-axe skills.
Q 18In a typical year, roughly what share of climbers who set out for Mount Rainier's summit reach it?
50%
50%: about 10,000 people try each year and roughly half turn back, most often because the weather closes in or because the two-to-three-day climb proves harder than their fitness allows.
Q 19Which area of Mount Rainier does the National Park Service call one of the snowiest places on Earth?
Paradise
Paradise averages about 640 inches of snow a year, because Pacific storms are forced up the mountain's south side and unload there, so its famous flower meadows usually stay buried until about mid-July.
Q 20About how much snow fell at Mount Rainier's snowiest weather station in the record winter of 1971-72?
1,100 inches
1,100 inches: the exact total, 1,122 inches (28.5 metres), stood as the world record for a single year until a ski area farther north topped it by a foot and a half in the winter of 1998-99.
A forest fire: the builders were allowed to cut the dead cedars a few miles down the road, where the blaze had killed the trees years earlier but left them standing to weather silver.
Q 24Jim Whittaker, twin brother of Rainier guide Lou Whittaker, became in 1963 the first American atop which mountain?
Mount Everest
Mount Everest: Whittaker reached the top on May 1, 1963, with the Sherpa Nawang Gombu, a nephew of Tenzing Norgay, and that July President Kennedy welcomed the pair to the White House.
Q 25Descending from the summit in 1883, James Longmire discovered what at the site that now bears his name?
A mineral spring
A mineral spring: Longmire built a hotel and health spa around the springs on land he patented as a mining claim, which meant the national park later created around it had little say in how his family ran the place.
Q 26Which lodging is the only one at Mount Rainier open all year round?
National Park Inn
National Park Inn stays open all winter because Longmire sits low, at about 2,700 feet, where the road is kept open year-round, while the park's other inn, far higher up, shuts from October to mid-May.
Q 27Which developed area is the highest point in Mount Rainier National Park that you can reach by vehicle?
Sunrise
Sunrise, at about 6,400 feet on the northeast side, is so high that snow keeps its road shut for most of the year: it usually opens only in late June or early July and closes again by early October.
Q 28Which developed area in Mount Rainier National Park's southeast corner lies deep in old-growth forest beside hot springs?
Ohanapecosh
Ohanapecosh sits so low, at about 1,900 feet, that snow rarely piles up, which lets its Douglas firs and red cedars grow enormous; some in the nearby Grove of the Patriarchs are about a thousand years old.
Q 29Mount Rainier National Park's temperate rainforest grows near which entrance?
Carbon River
Carbon River, in the wet northwest corner, is named for the coal found nearby; its road washed out in a 2006 flood and never reopened to cars, and the stretch inside the park was turned into a trail.
Q 30Which lake, at the end of a gravel road in Mount Rainier's northwest corner, is the park's largest and deepest?
Mowich
Mowich Lake fills a basin carved out by glacial ice, and its long unpaved road is snowed in through the winter, so the area is generally open only from about mid-July to mid-October.