92 Fun Facts About Lake Tahoe
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Take the 100-question quizThe 1913 dam that controls the lake level stands at its only outlet, in which town?
The dam regulates the flow into the Truckee River, which is the only river that leaves the lake.
What is the maximum depth of Lake Tahoe?
Lake Tahoe's maximum depth is 1,645 feet, second in the United States only to Crater Lake at 1,949 feet.
What geological process, with volcanism and glaciation, formed the Lake Tahoe Basin?
Blocks of crust rose to form the mountain ranges and dropped to form the basin between them, a vertical-motion normal fault.
At approximately what elevation above sea level does Lake Tahoe lie?
Lake Tahoe's surface lies about 6,225 feet above sea level, roughly 1.2 miles up, straddling the California-Nevada line in the Sierra Nevada.
Which Native American tribe historically inhabited the Lake Tahoe Basin?
Washoe people considered the lake the center of their territory and called it 'Dáʔaw', the root of the modern name 'Tahoe'.
What is the only river that flows out of Lake Tahoe?
The Truckee River, regulated by Lake Tahoe Dam at the outlet, is the only river that leaves the lake, and Tahoe's water never reaches the ocean.
Lake Tahoe holds enough water to cover the entire state of California to approximately what depth?
Lake Tahoe holds about 39 trillion gallons, enough to cover a flat area the size of California to a depth of about 14 inches.
Before it was officially named Tahoe, what did the explorer who first sighted it in 1844 call it?
The 1844 expedition named it Lake Bonpland after Aime Bonpland, the French botanist who travelled with Humboldt; the name never caught on, and 'Lake Bigler' displaced it for decades.
Approximately how old is Lake Tahoe?
The basin's outline came from block movement of the crust, but the lake's modern shape was finished by the ice ages.
Approximately what percentage of Lake Tahoe's shoreline lies within California?
Roughly two-thirds of the lake's perimeter is in California, with the remaining one-third in Nevada.
In 1955, Fred Rogers became the first person to do what at Lake Tahoe?
Erline Christopherson became the first woman to match the feat in 1962.
Which interstate highway passes through Truckee, the usual freeway approach to Tahoe's north shore?
Interstate 80 crosses the Sierra Nevada at Donner Pass and runs through Truckee, roughly 12 miles north of Lake Tahoe, where State Routes 89 and 267 turn south toward the north shore.
What is the highest summit in the Lake Tahoe Basin?
Freel Peak, at 10,886 feet, is the highest summit in the Lake Tahoe Basin and the high point of both the Carson Range and El Dorado County.
What major environmental impact did the 1859 Comstock Lode discovery have on the Lake Tahoe Basin?
Timber to shore up the Comstock mines came from the basin from about 1860 to 1890, and the large-scale deforestation took almost all of the native forest.
Which introduced fish, also known as mackinaw, is the prized big game fish of Tahoe's deep water?
Lake trout, also called mackinaw, are not native to Tahoe; the species is actually a char rather than a true trout, and the rod-and-reel record for lake trout is 72 pounds.
Which famous explorer first sighted Lake Tahoe in 1844?
John C. Fremont, an American explorer, is credited with being the first non-Native American to see Lake Tahoe in 1844.
What volcanic feature dammed the northern outlet of the Lake Tahoe Basin, creating the lake?
Eruptions from the now-extinct volcano Mount Pluto formed a volcanic dam on the north side, which, along with snowmelt and rain, filled the basin to form Lake Tahoe.
Emerald Bay lies in which corner of Lake Tahoe?
Emerald Bay sits in the southwest corner of Lake Tahoe, reached from State Route 89, and was designated a National Natural Landmark in 1969.
How many lakes in the United States hold more water than Lake Tahoe?
Only the five Great Lakes hold more water than Lake Tahoe's roughly 36 cubic miles; Crater Lake is deeper but far smaller.
Diving in Lake Tahoe is rated advanced because its altitude raises the risk of what?
At 6,225 feet the lower surface pressure shortens no-decompression limits, so diving Lake Tahoe raises the risk of decompression sickness and requires altitude-adjusted dive tables.
Which resort south of the lake, with only 12% beginner terrain, is known for its advanced skiing?
Kirkwood, about 35 miles south of South Lake Tahoe on State Route 88, rates only about 12% of its terrain for beginners and is known for steep chutes and expert runs.
Why does Lake Tahoe's main body never freeze over despite its 6,225-foot elevation?
Its huge thermal mass means so much water stores so much heat that the main body has never iced over, though sheltered bays such as Emerald Bay occasionally do.
Approximately how many tributaries feed into Lake Tahoe?
Lake Tahoe is fed by 63 streams, which contribute a significant portion of its water, with the rest coming from direct precipitation.
Which 1960 event, held at Squaw Valley (now Palisades Tahoe), brought interstate highway links and a building boom to Lake Tahoe?
The 1960 Winter Olympics at Squaw Valley brought the interstate links, and with the mid-1950s casinos on the Nevada shore they set off a building boom; Squaw Valley was later renamed Palisades Tahoe.
What is the approximate surface area of Lake Tahoe in square miles?
Lake Tahoe has a surface area of about 191 square miles (490 km²), making it one of the largest lakes in the United States by surface area.
Approximately how long is the Tahoe Rim Trail, which circles the entire lake?
The Tahoe Rim Trail runs about 165 miles around the lake; roughly 50 miles above the west shore double as the Pacific Crest Trail, and it tops out at 10,338 feet on Relay Peak.
Which congressman and singer died after hitting a tree while skiing at Heavenly in January 1998?
Sonny Bono, by then a California congressman, struck a tree on a Heavenly run on 5 January 1998; Michael Kennedy had died the same way in Aspen days earlier, which is why the two are often confused.
What is the name of the lone islet in Emerald Bay, the only one anywhere on Lake Tahoe?
Fannette Island, Lake Tahoe's only island, rises in Emerald Bay and carries the ruins of a stone teahouse built in the 1920s for the owner of the mansion at the head of the bay.
Which body of water does the Truckee River eventually flow into after leaving Lake Tahoe?
The Truckee River is Lake Tahoe's only outlet, and it flows into Pyramid Lake in Nevada, which is a terminal lake with no outlet to the ocean.
Which formation on the southeastern shoreline is a sacred site for the basin's original inhabitants?
Cave Rock, a prominent rock formation on the southeastern shore, is considered a sacred site by the Washoe people.
What is the approximate length of Lake Tahoe from north to south?
Lake Tahoe is approximately 22 miles (35 km) long from north to south and about 12 miles (19 km) wide.
Which introduced salmon, a landlocked form that never goes to sea, is a popular catch in Tahoe?
Kokanee, the landlocked form of sockeye salmon, are not native to Tahoe; opossum (Mysis) shrimp were introduced in the 1960s to feed them and lake trout, with unintended effects on the food web.
Before roads circled the lake, what carried mail and passengers between Tahoe's resorts from the 1870s?
Steamboats carried the mail and passengers around the lake from the 1870s; the 125-passenger side-wheeler Governor Stanford cut the round-the-lake mail run to about eight hours.
Which architectural style does the 38-room 1929 mansion at Emerald Bay exemplify?
Lora Josephine Knight had her nephew, Swedish-born architect Leonard Palme, design Vikingsholm in 1929 in Scandinavian style, modelled on Norse castles and churches.
UC Davis's Tahoe Environmental Research Center mainly studies and protects which aspect of Lake Tahoe?
The UC Davis Tahoe Environmental Research Center plays a leading role in research and efforts to protect and restore Lake Tahoe's famed water clarity.
The June 2007 Angora Fire destroyed about 250 homes near which Lake Tahoe community?
The Angora Fire started on 24 June 2007 above Meyers and burned about 3,100 acres and 254 homes on the southwest edge of South Lake Tahoe.
What is the approximate shoreline length of Lake Tahoe?
Lake Tahoe has a shoreline length of approximately 72 miles (116 km).
Which writer derided the name 'Tahoe' as an 'unmusical cognomen' and preferred Lake Bigler?
Mark Twain mocked 'Tahoe' in The Innocents Abroad and championed Lake Bigler; California's legislature sided with him by reaffirming 'Lake Bigler' in 1870.
Which geological force carved Lake Tahoe's Emerald Bay, along with nearby Cascade Lake and Fallen Leaf Lake?
Glaciers of the Ice Ages carved the canyons that became Emerald Bay, Cascade Lake and Fallen Leaf Lake, now among the lake's most iconic landmarks.
What does dáʔaw, the Washoe word behind the name Tahoe, mean?
Dáʔaw simply means 'the lake' in Washoe; the 'big water' gloss quoted in brochures is folk etymology, and dewʔá:gaʔa, 'edge of the lake', named its shore.
What is the primary material composition of the soils in the Lake Tahoe Basin?
Basin soils derive mainly from andesite and granodiorite, the volcanic and granitic parent rocks of the surrounding ranges; only minor patches of metamorphic rock break the pattern, and valley floors carry glacial moraine and outwash.
The SS Tahoe, scuttled in 1940, became the first what in Nevada listed on the National Register?
Her owner meant to sink her in shallow water off Glenbrook as a memorial visible from glass-bottomed boats; she slid down the slope to 400 feet instead, and the wreck later became Nevada's first maritime site on the National Register.
Which South Shore ski resort straddles the state line, with base facilities in both states?
It opened as Heavenly Valley in 1955 and has the highest elevation of any Tahoe-area resort at 10,067 feet.
Which Nevada community, together with Kings Beach, California, anchors the lake's north shore?
Incline Village, on the Nevada side of the north shore, is home to the Hyatt Regency Lake Tahoe casino resort and the Diamond Peak ski area.
Which Nevada state route crosses 8,911-foot Mount Rose Summit between Reno and Incline Village?
Nevada State Route 431, the Mount Rose Highway, climbs from Reno to the 8,911-foot Mount Rose Summit, the highest year-round pass in the Sierra Nevada, before dropping to Incline Village.
At its widest point, Tahoe's far shore sits roughly how far below the horizon?
The lake is large enough that its surface is visibly convex; along its length the drop is about 320 feet.
Which weather pattern melted snow around New Year 1997 and sent the lake over its rim?
The atmospheric river pushed the lake and river over their banks and inundated Reno downstream.
The Tahoe basin is the youngest extensional basin of which deformation zone?
The Walker Lane, which absorbs about 12 mm a year of sideways shear between the Sierra Nevada block and the North America plate, holds the Tahoe basin as its youngest extensional basin.
A collapse that formed McKinney Bay ~50,000 years ago made a wave of about what height?
The McKinney Bay landslide some 50,000 years ago raised a wave of about 330 feet (100 m); modelling suggests quakes on faults under the lake could raise 10 to 33-foot tsunamis that cross it in minutes.
The lake’s beaches are the only known habitat of which rare plant?
Tahoe yellowcress (Rorippa subumbellata) grows only in the wet sand of Lake Tahoe's beaches between the low- and high-water marks, so lake levels decide its fate.
Each autumn, spawning salmon turn vermilion and run up which stream near South Lake Tahoe?
The non-native salmon were transplanted from the North Pacific in 1944; after spawning, their carcasses feed mink, bears and bald eagles.
US Route 50 crosses the Sierra crest just west of South Lake Tahoe at which summit?
US Route 50 drops from Echo Summit, about 7,380 feet, into the Tahoe basin near Meyers; Donner Pass carries Interstate 80 and Carson Pass State Route 88.
Which federal mapmaker telegraphed Washington in 1862 to put 'Lake Tahoe' on all federal maps?
DeGroot suggested the name; Knight wanted to replace Bigler, a governor he felt had 'not distinguished himself by any single achievement'.
In what year did California's legislature finally drop 'Lake Bigler' and adopt the name Tahoe?
California finally made 'Lake Tahoe' official in 1945; the state had reaffirmed Bigler in 1870 to spite the federal maps, even though almost nobody used that name by 1900.
Henry DeGroot, who proposed the name Tahoe in 1862, believed it meant what?
Mark Twain mocked it as meaning 'grasshopper soup'; the Washo word actually just means 'the lake'.
The lake's first steamboat, the tug Governor Blasdel, towed logs to a sawmill on which bay?
The paddle-wheel tug Governor Blasdel, the first steamboat on the lake, hauled logs to Augustus Pray's sawmill at Glenbrook Bay on the east shore.
Between 1960 and 1980, the basin's permanent population grew from about 10,000 to more than?
The permanent population rose from about 10,000 in 1960 to more than 50,000 by 1980, while the summer population jumped from about 10,000 to 90,000 before land-use controls slowed growth.
Nevada’s share of the lake is split among Washoe County, Douglas County and which municipality?
Carson City, Nevada's consolidated municipality, reaches the east shore between Washoe and Douglas counties; on the California side the lake is divided between Placer and El Dorado counties.
The League to Save Lake Tahoe ('Keep Tahoe Blue') was founded in which year?
Founded in 1957, the League to Save Lake Tahoe formed to fight a proposed four-lane highway around the lake, complete with a bridge over the mouth of Emerald Bay.
In which year did the NHL stage two outdoor games on the shore of Lake Tahoe?
In February 2021 the NHL played two games on a rink at Edgewood Tahoe golf course, a pandemic-era replacement for the Winter Classic and Stadium Series.
Who in 1962 became the first woman to swim the full length of Lake Tahoe?
Erline Christopherson swam the roughly 21-mile length of Lake Tahoe in 1962, seven years after the first man did it; the water rarely climbs out of the 60s even in summer.
The Flume Trail on the east shore is nationally ranked for which activity?
It follows the bench of an old Comstock-era lumber flume with the lake hundreds of feet below.
Which San Francisco heir built Thunderbird Lodge on Tahoe's east shore in the late 1930s?
George Whittell Jr., heir to a San Francisco fortune, built Thunderbird Lodge near Sand Harbor between 1936 and 1939 and kept a pet lion and the mahogany speedboat Thunderbird there.
Vikingsholm’s builder Lora Knight also helped bankroll whose famous 1927 solo flight?
Knight built the mansion as a summer home in 1929 after touring Scandinavia with her architect for ideas.
Roughly how many workers built Vikingsholm during 1929?
About 200 workers finished Vikingsholm in a single summer in 1929; some parts of the structure use no nails or spikes, and most of it was built from local materials.
Which hermit lived on Tahoe’s lone island 1863–73 and showed guests his amputated toes?
Captain Dick Barter, the 'Hermit of Emerald Bay', built his own tomb and chapel on the island but was never buried there, drowning in a storm off Rubicon Point in 1873.
The steamer Tahoe’s hull was built in sections in 1895 by which San Francisco shipyard?
Union Iron Works built the steamer Tahoe's hull in sections in 1895; the pieces went by rail to Carson City, by wagon over Spooner Summit, and were reassembled at Glenbrook for her 1896 launch.
Mount Tallac takes its name from a Washo word meaning what?
Tallac comes from the Washo for 'big mountain'; Whitney Survey maps had called it Chrystal Peak before the 1877 Wheeler Survey adopted the Washo name.
Which TV western shot its opening sequence with Mount Tallac's snow cross in the background?
Bonanza's opening had the Cartwrights riding toward the camera at McFaul Creek Meadow with Mount Tallac's 'cross of snow' behind them.
Rubicon Point Light in D. L. Bliss State Park is notable as what?
Rubicon Point Light, built in 1916 at about 6,300 feet, is the highest-elevation lighthouse in the United States; the park is named for timber and railroad magnate Duane Leroy Bliss, whose heirs gave 744 acres in 1929.
Which 1960 Winter Olympic events were held in today's Sugar Pine Point State Park?
The 1960 biathlon and cross-country races ran from McKinney Creek Stadium in what became Sugar Pine Point State Park; ski jumping and the alpine events stayed at Squaw Valley.
The Hellman-Ehrman Mansion at Sugar Pine Point was built in 1903 by a San Francisco what?
Isaias W. Hellman, the San Francisco banker who ran Wells Fargo Nevada National Bank, built the estate in 1903 with electric light, a tennis court, two boathouses and staff cabins; the family sold it to the state in the 1960s.
Paradise Airlines Flight 901A, which crashed near Zephyr Cove in 1964, carried how many?
All 85 aboard died when the Lockheed L-049 Constellation hit a ridge near Genoa Peak in a snowstorm on 1 March 1964, the deadliest crash of that Constellation model.
Building the Tahoe Keys in the 1960s destroyed half of which wetland?
The Tahoe Keys subdivision filled about half of the Upper Truckee Marsh, the main filter for river water entering the lake; the project has been called the most damaging intrusion on the shore in Tahoe's human history.
What name does local lore give to the monster said to lurk in Lake Tahoe?
Tahoe Tessie is the lake's answer to Nessie, a serpent of Washoe legend and 20th-century sightings that gave Tahoe's hockey team its dragon-like mascot.
When finished in 1873, the Marlette system's siphon to the Comstock set what world record?
The inverted siphon was the highest-head pipeline in the world when finished in 1873, dropping water about 1,870 feet into Washoe Valley on its way to Virginia City and producing roughly 800 psi.
In 1994 Emerald Bay’s waters joined its state park, making it one of California’s first what?
The designation protects the wrecks and other items resting on the bay's bottom.
In 1998 Squaw Valley opened the first lift of which type in the United States?
Squaw Valley's Funitel, opened in 1998 between the base and Gold Coast, was the first lift of its type in the United States; its two-cable design keeps cabins stable in high winds.
Squaw Valley's surprise 1955 Olympic bid beat which Austrian city, the early favorite?
Alexander Cushing won over the IOC in Paris with a scale model of his planned site; Innsbruck got the next Games in 1964.
Sand Harbor, with its granite boulders and clear coves, belongs to which state park?
Sand Harbor is the best-known unit of Lake Tahoe-Nevada State Park on the east shore, which also takes in Spooner Lake and Cave Rock.
The bi-state Tahoe Regional Planning Agency was created by compact in which year?
The California-Nevada compact creating TRPA was signed in 1969 and ratified by Congress that December; TRPA is one of only a few watershed-based regulatory agencies in the country.
How many members sit on the Tahoe Regional Planning Agency's governing board?
The 15-member board has seven members from each state plus one non-voting member chosen by the President of the United States.
Which Forest Service unit, created in 1973, manages the national forest land around Lake Tahoe?
The Forest Service carved the Lake Tahoe Basin Management Unit out of the Tahoe, Eldorado and Toiyabe national forests in 1973 so one office could manage the roughly three-quarters of the basin that is federal land.
South Lake Tahoe incorporated as a city in what year?
Incorporated in 1965, South Lake Tahoe merged Al Tahoe, Bijou, Bijou Park, Stateline, Tahoe Valley and Tallac Village into El Dorado County's most populous city.
Frank Sinatra Jr. was kidnapped in 1963 while appearing at which Stateline showroom?
Harrah's 750-seat South Shore Room had opened in 1959 with Red Skelton; the 19-year-old singer was taken from his Harrah's room on 8 December 1963 and released unharmed two days later.
Which ECHL hockey team began play at Stateline's Tahoe Blue Event Center in 2024–25?
Co-owned by Tim Tebow, the team took a dragon-like logo from local lake-monster lore and played its first season in 2024–25.
What is the highest point in the Desolation Wilderness?
Pyramid Peak crowns the Crystal Range at 9,985 feet, the highest point in the Desolation Wilderness, one of the most heavily used protected areas in the country.
Once called ‘Devil’s Valley’, the Desolation Wilderness was mostly used for what before protection?
Cattle grazing was the main use of the basin settlers called Devil's Valley; it became the Desolation Valley Primitive Area in 1931 and a full wilderness in 1969 under the Wilderness Act.
Kingsbury Grade, State Route 207, crosses which pass between Stateline and the Carson Valley?
Kingsbury Grade climbs from the Carson Valley over Daggett Pass and drops into Stateline, following an 1860 toll road built to serve the Comstock boom.
Which actress made the Cal-Neva famous in 1930 by cancelling $13,000 in gambling checks?
Clara Bow stopped payment on about $13,000 in gambling checks at the Cal-Neva in 1930, claiming she thought her blackjack chips were worth 50 cents when they were actually $100 each.
Frank Sinatra lost his Nevada gambling licence after which mobster was seen at Cal Neva?
Sinatra insisted Sam Giancana, the Chicago boss, was only visiting his girlfriend Phyllis McGuire; Nevada's Gaming Control Board forced Sinatra to surrender his licence in 1963 anyway.
After burning down in 1937, the Cal-Neva Lodge was rebuilt in how many days?
Five hundred men rebuilt the Cal-Neva Lodge in just 30 days after the 1937 fire; arson was suspected but no one was ever charged.
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