Geography31 Trivia Questions9 Easy · 18 Medium · 4 Hard

Lakes Trivia: 31 Exploding Craters, Pink Waters & Underwater Forests

Forget boring textbook statistics—explore 31 wild stories behind freshwater seals, boiling sulfur craters, petrifying stone-turning waters, and the planet's strangest lakes.

Which landlocked body of water is officially Earth's largest lake by area?

Question 1 of 31Easy

1.Which landlocked body of water is officially Earth's largest lake by area?

Which Siberian rift lake holds 20% of Earth's unfrozen surface freshwater?

Question 2 of 31Easy

2.Which Siberian rift lake holds 20% of Earth's unfrozen surface freshwater?

What has floated vertically upright in Oregon's Crater Lake since 1896?

Question 3 of 31Medium

3.What has floated vertically upright in Oregon's Crater Lake since 1896?

Why did Cameroon's Lake Nyos suddenly suffocate 1,746 villagers in August 1986?

Question 4 of 31Medium

4.Why did Cameroon's Lake Nyos suddenly suffocate 1,746 villagers in August 1986?

Which harsh soda lake turns flamingos pink and calcifies dead birds?

Question 5 of 31Medium

5.Which harsh soda lake turns flamingos pink and calcifies dead birds?

What evolved inside Palau's isolated Jellyfish Lake after predators disappeared completely?

Question 6 of 31Easy

6.What evolved inside Palau's isolated Jellyfish Lake after predators disappeared completely?

What do Uros communities weave to build Lake Titicaca's floating islands?

Question 7 of 31Easy

7.What do Uros communities weave to build Lake Titicaca's floating islands?

Why did 90% of the Aral Sea vanish after the 1960s?

Question 8 of 31Easy

8.Why did 90% of the Aral Sea vanish after the 1960s?

What creates the giant white polka dots in Canada's Spotted Lake?

Question 9 of 31Medium

9.What creates the giant white polka dots in Canada's Spotted Lake?

Which lake triggers 280 lightning bolts per hour almost every night?

Question 10 of 31Medium

10.Which lake triggers 280 lightning bolts per hour almost every night?

Which Canadian territory holds an island inside a lake three layers deep?

Question 11 of 31Hard

11.Which Canadian territory holds an island inside a lake three layers deep?

What gives Western Australia's Lake Hillier its permanent bubblegum-pink water year-round?

Question 12 of 31Medium

12.What gives Western Australia's Lake Hillier its permanent bubblegum-pink water year-round?

What bursts from Kazakhstan's Lake Kaindy like masts of sunken ships?

Question 13 of 31Medium

13.What bursts from Kazakhstan's Lake Kaindy like masts of sunken ships?

Which lake's shoreline marks the lowest exposed land elevation on Earth?

Question 14 of 31Easy

14.Which lake's shoreline marks the lowest exposed land elevation on Earth?

What freezes suspended inside Canada's Abraham Lake every winter like white jellyfish?

Question 15 of 31Medium

15.What freezes suspended inside Canada's Abraham Lake every winter like white jellyfish?

What fills Trinidad's Pitch Lake instead of ordinary fresh or salty water?

Question 16 of 31Medium

16.What fills Trinidad's Pitch Lake instead of ordinary fresh or salty water?

Which lake stays fresh on one half and salty on the other?

Question 17 of 31Hard

17.Which lake stays fresh on one half and salty on the other?

What is the only pinniped on Earth living exclusively in freshwater?

Question 18 of 31Medium

18.What is the only pinniped on Earth living exclusively in freshwater?

Why is Dominica's Boiling Lake wreathed in scalding gray steam year-round?

Question 19 of 31Medium

19.Why is Dominica's Boiling Lake wreathed in scalding gray steam year-round?

What gruesome discovery gave the Himalayan glacier lake Roopkund its famous nickname?

Question 20 of 31Easy

20.What gruesome discovery gave the Himalayan glacier lake Roopkund its famous nickname?

What happens to sixteen karst lakes in Slovenia including Lake Cerknica annually?

Question 21 of 31Hard

21.What happens to sixteen karst lakes in Slovenia including Lake Cerknica annually?

What holds the sixteen terraced lakes of Croatia's Plitvice National Park apart?

Question 22 of 31Medium

22.What holds the sixteen terraced lakes of Croatia's Plitvice National Park apart?

Why did Indonesia's Kawah Ijen crater lake glow electric blue at night?

Question 23 of 31Medium

23.Why did Indonesia's Kawah Ijen crater lake glow electric blue at night?

How much of Earth's surface freshwater sits inside North America's Lake Superior?

Question 24 of 31Easy

24.How much of Earth's surface freshwater sits inside North America's Lake Superior?

Which African Great Lake ranks second deepest on Earth after Lake Baikal?

Question 25 of 31Medium

25.Which African Great Lake ranks second deepest on Earth after Lake Baikal?

What swallowed an entire oil rig and eleven barges inside Lake Peigneur?

Question 26 of 31Medium

26.What swallowed an entire oil rig and eleven barges inside Lake Peigneur?

Where does the world's largest subglacial lake hide beneath two-mile-thick ice?

Question 27 of 31Medium

27.Where does the world's largest subglacial lake hide beneath two-mile-thick ice?

Which introduced predator wiped out two hundred native cichlid species in Lake Victoria?

Question 28 of 31Medium

28.Which introduced predator wiped out two hundred native cichlid species in Lake Victoria?

Why does Japan's Lake Mashu hold the record for world's clearest water?

Question 29 of 31Hard

29.Why does Japan's Lake Mashu hold the record for world's clearest water?

Which country contains over 60% of all natural lakes on planet Earth?

Question 30 of 31Easy

30.Which country contains over 60% of all natural lakes on planet Earth?

What rare green fuzzy spheres roll across the floor of Japan's Lake Akan?

Question 31 of 31Medium

31.What rare green fuzzy spheres roll across the floor of Japan's Lake Akan?