Q 01/05

The 1913 dam that controls the lake level stands at its only outlet, in which town?

A) Tahoe City

B) Stateline

C) Kings Beach

D) Glenbrook

Answer · why

A) Tahoe City

The dam regulates the flow into the Truckee River, which is the only river that leaves the lake.

Q 02/05

What is the maximum depth of Lake Tahoe?

A) 1,190 feet

B) 1,645 feet

C) 1,425 feet

D) 1,870 feet

Answer · why

B) 1,645 feet

Lake Tahoe's maximum depth is 1,645 feet, second in the United States only to Crater Lake at 1,949 feet.

Q 03/05

What geological process, with volcanism and glaciation, formed the Lake Tahoe Basin?

A) Faulting

B) Sedimentation

C) Erosion

D) Metamorphism

Answer · why

A) Faulting

Blocks of crust rose to form the mountain ranges and dropped to form the basin between them, a vertical-motion normal fault.

Q 04/05

At approximately what elevation above sea level does Lake Tahoe lie?

A) 4,500 feet

B) 5,200 feet

C) 7,000 feet

D) 6,225 feet

Answer · why

D) 6,225 feet

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.

Q 05/05

Which Native American tribe historically inhabited the Lake Tahoe Basin?

A) Miwok

B) Shoshone

C) Paiute

D) Washoe

Answer · why

D) Washoe

Washoe people considered the lake the center of their territory and called it 'Dáʔaw', the root of the modern name 'Tahoe'.