50 Fun Facts About Olympic National Park

Olympic National Park sits on a peninsula in which U.S. state?

It drew more than 3.7 million visitors in 2024, ranking 25th among all U.S. park units.

Which of these is NOT one of the park's four regions?

The drier east-side forests are the fourth, sitting in the rain shadow of the western peaks.

Which president first protected the area as a national monument in 1909?

His main goal was to protect the calving grounds and summer range of the elk herds that already carried his name.

In what year did Congress and FDR make it a national park?

FDR had toured the peninsula the year before and seen the elk named after his distant cousin.

Which animal, the biggest elk subspecies by body mass, was the park's founding reason for protection?

C. Hart Merriam named the subspecies for his friend, then Assistant Secretary of the Navy, in December 1897.

Which UNESCO designation did the park receive in 1981?

It had already been named an International Biosphere Reserve in 1976.

Roughly what share of the park is designated wilderness?

At 1,370 square miles it is the largest wilderness area in the state.

In 2017 the park's wilderness was renamed for which former governor and U.S. senator?

As a senator, Evans co-sponsored the 1988 bill that created the state's wilderness areas.

What is the highest peak in the park and the Olympic Mountains?

Oddly, Mount Constance and The Brothers are better known because they can be seen from Seattle; the high point itself is hidden deep in the range.

Roughly how high is the park's highest summit?

Despite that modest height, heavy snow lets it carry big glaciers, including the 3-mile Hoh Glacier.

Spanish explorer Juan Pérez gave the park's highest mountain what name in 1774?

It is said to be the first time a European named any geographic feature in what is now the state.

Which British explorer gave the peak its current name on July 4, 1788?

An 1890 Army expedition led by Joseph P. O'Neil is thought to have reached the peak's southern summit.

Which is the largest glacier on the peak, by area and volume?

The Hoh Glacier is the longest at 3.06 miles; the park's glacier count fell from 266 in 1982 to 184 by 2009.

Which famous rainforest on the park's west side receives around 140 inches of precipitation a year?

Its Sitka spruce and western hemlock can top 300 feet tall and 23 feet across, all draped in moss.

Unlike tropical rainforests, the park's rainforests are dominated by what kind of tree?

Sitka spruce, western hemlock, Douglas-fir and western redcedar do the heavy lifting under all that moss.

What tiny monument in the Hoh Rainforest marks its creator's 'quietest place in the US'?

It was set down as a protest in favour of noise control, and about 460,000 people visited the Hoh district in 2024.

What happened in 2014 to the 1,000-year-old western redcedar near Kalaloch, thought to be the state's oldest tree?

The remaining half of the Kalaloch Big Cedar Tree still stands and can be visited.

Which 5,242-foot viewpoint is one of the park's two most visited spots and hosts a small ski area?

It gets some 400 inches of snow a year and is named for its intense gales.

What happened to the 1950s-era visitor lodge on the park's most visited ridge on May 7, 2023?

Congress set aside $80 million later that year to rebuild it and stand up a temporary centre.

In which year did the road up to the park's 5,242-foot ski ridge open to traffic on New Year's Day?

Superintendent Fred Overly pushed the road and lodge to boost visitation, part of the Park Service's Mission 66 era.

Lake Crescent, with an official maximum depth of 624 feet, ranks where among the state's deepest lakes?

Low nitrogen keeps algae from growing, which is why the water is so brilliantly blue and clear.

Klallam legend says Mount Storm King hurled a boulder that split which lake off from Lake Crescent?

Geologists agree a giant landslide about 8,000 years ago dammed Indian Creek and separated the two lakes.

Which trout, found only in Lake Crescent, evolved after a landslide landlocked the lake's fish?

Another endemic, the Crescenti cutthroat, spawns in Barnes Creek.

Which cat-sized rodent, found only on the peninsula, became the state's endemic mammal in 2009?

It hibernates from September to May and loses half its body mass doing it.

What is the main predator of the park's endemic, cat-sized alpine rodent?

Marmots use four different whistles to warn each other, and colonies can hold up to 40 animals.

Which non-native animal, introduced in the 1920s, damaged the park's plants so badly the NPS launched control plans?

The park's isolation on a peninsula bred many endemic plants, such as Piper's bellflower and Flett's violet, that goats trampled.

Roughly how many cougars live in the park?

Black bears and black-tailed deer are also abundant, and six species of bat roost in the forests.

How long is the park's separate coastal strip?

FDR had wanted a continuous strip of parkland linking the coast to the mountains, but the two pieces remain separate.

Which 9-mile coastal loop, from a lake via boardwalks through cedar swamp, is the park's most popular shore walk?

Usage is controlled by a registration and reservation programme, and the area was traditionally favoured by the Makah of Neah Bay.

Which tribe lives at La Push, at a river mouth inside the park's coastal strip?

The Hoh people live at the mouth of the Hoh River farther south.

Locals call the park's tectonic mélange rocks 'smell rocks' because of what?

Some of these house-sized rocks are big enough to be drawn on geological maps individually.

The Olympic Mountains rose as an accretionary wedge above the subduction of which tectonic plate?

The rocks include Eocene basalts of the Crescent Formation and marine sediments scraped off the sea floor.

Immediately northeast of the park, in the rain shadow, annual precipitation averages roughly how much?

That is less than an eighth of what the western rainforests get a few dozen miles away.

The Elwha Ecosystem Restoration Project removed how many dams from the Elwha River?

Until 2024 it was the largest dam removal in history, and only the Everglades is a bigger Park Service restoration.

Which was the taller of the two Elwha dams, at 210 feet?

Its removal finished on August 26, 2014; the 108-foot lower dam had come out ahead of schedule in March 2012.

Roughly how much of the Elwha River was reopened to salmon by the dam removals?

Before the dams an estimated 392,000 fish returned each year; by the late 20th century it was under 3,000.

Which tribe at the river's mouth was a key partner in the dam removals?

Salmon had been central to the tribe's diet for thousands of years, and the river once produced Chinook weighing nearly 45 kilograms.

Which president created the Olympic Forest Reserve in 1897, the first federal protection for the area?

The push came from Lt. Joseph O'Neil and Judge James Wickersham, who met while exploring the wilderness in the 1890s.

Which agency built the park headquarters in 1939, later added to the National Register?

The park grew by 47,753 acres in 1953 to add the coast between the Queets and Hoh rivers.

Which is NOT one of the four tree species named in the park's founding purpose as the finest US primeval forest?

Douglas fir is the fourth; the park holds an estimated 366,000 acres of old growth.

What do you need to fish in the park's rivers?

Bull trout and Dolly Varden must be released if caught.

Which town is the gateway to the road up the park's most visited ridge?

Lake Crescent lies 17 miles west of the same town along U.S. Route 101.

Which Lake Crescent trail follows an old logging grade through a tunnel to the 'Devils Punch Bowl'?

The punch bowl is a popular swimming and cliff-jumping cove on the lake's north shore.

In which year did a rare wildfire burn in the park's rainforest after a record-dry spring?

An extremely low snowpack the previous winter set it up.

Roughly how many glaciers did the park have by 2009, down from 266 in 1982?

Warming has thinned even the big glaciers around the highest peak.

Bull elk of the park's signature subspecies typically weigh how much?

By antler size, though, Rocky Mountain elk still hold the record books.

Which judge teamed up with Lt. Joseph P. O'Neil in the 1890s to push for protecting the Olympics?

The two met in the Olympic wilderness while exploring and combined their political efforts.

In which year was the park expanded by 47,753 acres to take in the Pacific coastline?

The addition covered the coast between the Queets and Hoh rivers plus parts of the Queets and Bogachiel valleys.

Roughly how many visitors did Olympic National Park receive in 2024?

That ranked it 25th among all parks in the United States.

Which tribe from Neah Bay has traditionally favoured the Ozette Loop area of the coast?

The Park Service runs a reservation program to control usage of the 9-mile loop.