Hard geography trivia questions test advanced facts about Earth’s places and systems—extremes (deepest trench ~35,876 ft / 10,935 m), borders (countries with the most neighbors), enclaves, highest capitals, and more. Below is a tough, source-aware collection with exact figures, context, and a quick superlatives table for fast checking.
How to use these hard geography trivia questions
Use the sections below for classroom challenges, pub nights, or self-study. Each theme starts with a short explainer and then a list of <details> items: click to reveal the answer. Where a claim benefits from authoritative backing—like the depth of the Challenger Deep, the count of UNESCO World Heritage Sites, or the number of UN member states—we include an in-text authoritative link and end-of-article references. Major figures reflect the latest reliable updates as of 2025.
Scoring tip: For mixed groups, award 2 points for a correct answer without options, 1 point with a hint. Consider a “challenge” rule—teams can request a source; if the source overturns your accepted answer, they gain a bonus point. That builds good information hygiene.
Difficulty & scoring
Label questions by difficulty (★ to ★★★★★). ★★★★–★★★★★ typically require a precise figure, a subtle exception (e.g., double-landlocked), or a contested nuance (e.g., “longest river”). Where debates exist, we phrase the prompt to avoid ambiguity (“contenders for…” rather than “the…”).
Physical geography (mountains, water, extremes)
These questions focus on Earth’s physical systems—lithosphere, hydrosphere, cryosphere, and atmosphere—where numbers matter and wording can be tricky. Expect altitude/elevation, depth, lengths, and “largest vs. longest” distinctions. For deep-ocean figures, we align with NOAA’s overview of ocean depth; for deepest lake metrics we reference Britannica’s Lake Baikal page.
Mountains, trenches, lakes, deserts—save a couple of lifelines for this set.
Mountains & high points
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Q1 (★★★★): What is the highest capital city by elevation, and approximately how high is it?
La Paz (administrative seat), Bolivia—about 11,975 ft (3,650 m) above sea level.
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Q2 (★★★): Which mountain is tallest when measured from base to summit, and what is that height?
Mauna Kea (Hawaiʻi), ~33,500 ft (~10,210 m) from seafloor base; 13,796 ft (4,205 m) above sea level.
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Q3 (★★★★): Name the seven summits’ Asian peak and its elevation.
Mount Everest, 29,032 ft (8,849 m).
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Q4 (★★★★): Which South American mountain chain is the longest on land?
The Andes (~7,000 km / ~4,350 mi).
Water, ice & depth
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Q5 (★★★★★): What is the deepest known point in Earth’s oceans and its best current depth estimate?
Challenger Deep in the Mariana Trench, ~35,876 ft (~10,935 m).
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Q6 (★★★★): What is the deepest freshwater lake?
Lake Baikal, Russia—maximum depth ~5,315 ft (1,620 m).
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Q7 (★★★): Which is the world’s largest lake by surface area?
The Caspian Sea (~143,000 sq mi / ~371,000 km²).
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Q8 (★★★): Which waterfall is the tallest uninterrupted drop?
Angel Falls, Venezuela—3,212 ft (979 m).
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Q9 (★★★): Which is the highest navigable lake?
Lake Titicaca, ~12,500 ft (~3,810 m).
Deserts & climate
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Q10 (★★★★): What is the largest desert by area?
The Antarctic Polar Desert—about 5.5 million sq mi (~14.2 million km²).
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Q11 (★★★): Which desert spans parts of Botswana, Namibia, and South Africa?
The Kalahari Desert.
Political borders, states & microstates
These questions target statehood, borders, enclaves, and international organizations. We ground country counts in the official UN member list (193 members), with two General Assembly observers (the Holy See and the State of Palestine).
Border superlatives are sensitive to how territories are counted; prompts below specify the interpretation to avoid edge cases.
Countries, capitals & enclaves
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Q12 (★★★★): How many UN member states are there, and who are the two observer states?
193 UN members; observers: Holy See and State of Palestine.
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Q13 (★★★★): Which two countries each border 14 others (most in the world)?
China and Russia.
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Q14 (★★★★★): Name the world’s two double-landlocked countries.
Liechtenstein and Uzbekistan.
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Q15 (★★★): List the three countries completely surrounded by one other country.
Lesotho (in South Africa); San Marino and Vatican City (both in Italy).
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Q16 (★★★): Which two sovereign states have square national flags?
Switzerland and Vatican City.
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Q17 (★★★): Which country relocated its capital from Almaty to Astana (now again “Astana”)?
Kazakhstan (move announced 1997; capital from 1998).
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Q18 (★★★): Which three countries have capitals whose English names begin with “S” on the Arabian Peninsula?
Saudi Arabia (Riyadh—trick), Oman (Muscat—also trick), Yemen (Sanaʽa). Correct trio with “S” actually: Saudi Arabia (no), Oman (no), Yemen (Sanaʽa). The trick illustrates why exact wording matters—better version: “Name the capital that begins with S on the Arabian Peninsula” → Sanaʽa.
Human, economic & cultural geography
Now for population centers, transport, and cultural patterns. Some prompts use precise thresholds (e.g., “navigable,” “continuous”). When multiple definitions exist (city proper vs. metro area), the prompt clarifies which.
Use these for higher-order recall: not just a name, but the qualifier that makes it correct.
Cities & demography
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Q19 (★★★★): Which world capital lies nearest the equator?
Quito, Ecuador (~0.23° S).
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Q20 (★★★★): Which transcontinental city straddles Europe and Asia and sits on the Bosporus?
Istanbul, Türkiye.
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Q21 (★★★): Which African capital is famously known as the “City of a Thousand Hills”?
Kigali, Rwanda.
Infrastructure & resources
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Q22 (★★★★): Which country has the world’s longest coastline, and roughly how long is it?
Canada—about 151,000 mi (243,042 km) including its arctic archipelago; Natural Resources Canada confirms the superlative.
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Q23 (★★★): Which landlocked countries maintain navies?
Bolivia (Lake Titicaca and rivers) and Paraguay (rivers).
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Q24 (★★★★): As of 2025, approximately how many UNESCO World Heritage Sites exist globally?
About 1,248 sites across 170 countries, per UNESCO’s 2025 session update.
Maps, coordinates & cartographic oddities
Coordinate puzzles and map quirks are where many “gotchas” live—date line jumps, exclaves, and poles of inaccessibility. Keep a mental checklist: specify map projection, land vs. maritime borders, and whether overseas territories count.
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Q25 (★★★★★): Name the two double enclaves (enclaves within enclaves) between Oman and the UAE.
Madha (Oman, enclaved in the UAE) and Nahwa (UAE, an exclave inside Madha).
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Q26 (★★★★): What nation’s capital is named after a U.S. president?
Monrovia, Liberia (after President James Monroe).
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Q27 (★★★★): Which two rivers are the usual “longest river” contenders depending on measurement methods?
The Nile (~6,650 km / 4,132 mi) and the Amazon (~6,400 km / 3,980 mi), depending on source and methodology.
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Q28 (★★★): Which island is the world’s largest that is not a continent?
Greenland (~836,330 sq mi / 2,166,086 km²).
World superlatives cheat sheet (quick checks)
Use this compact table while running a quiz. It collects the figures most likely to be challenged. Ocean depth and deepest-lake figures are aligned with NOAA and Britannica; UNESCO counts reflect the 2025 committee session.
| Metric | Value (imperial) | Value (metric) | Note |
|---|---|---|---|
| Deepest ocean point | ~35,876 ft | ~10,935 m | Challenger Deep (NOAA) |
| Deepest lake | ~5,315 ft | 1,620 m | Lake Baikal (Britannica) |
| Tallest uninterrupted waterfall | 3,212 ft | 979 m | Angel Falls |
| Largest lake by area | ~143,000 sq mi | ~371,000 km² | Caspian Sea |
| Longest national coastline | ~151,000 mi | 243,042 km | Canada (Gov. of Canada) |
| UN member states | 193 | Plus 2 UN observers | |
| UNESCO World Heritage Sites | ~1,248 | Total after 2025 session | |
FAQ
What makes a geography question “hard”?
Precision, exceptions, and definitions. Asking for an exact figure (e.g., 10,935 m), resolving contested rankings (Nile vs. Amazon), or requiring awareness of enclaves/double-landlocked states drives difficulty.
How do I settle disputes during a quiz?
Declare sources up front (e.g., NOAA for ocean depths, UNESCO for site counts, UN for membership). If answers vary by definition, require the definition in the answer (e.g., “longest on land range: Andes”).
What’s the best number of questions for a 45-minute session?
~25–30 questions with brief discussion fits well; add a 5-question lightning round if time remains.
Should I include trick questions?
Sparingly. Use them to teach definitions, not to confuse. For example, specify “navigable lake” when asking about Titicaca.
Can I count overseas territories in border/time-zone questions?
Only if the prompt says so. For example, France has the most time zones when counting overseas departments; otherwise Russia leads for contiguous territory.
What Did We Learn Today?
- Use authoritative baselines for “extreme” stats (NOAA for ocean depth; Britannica for Baikal).
- Disambiguate prompts to avoid debates (e.g., longest river vs. contenders).
- UN facts (193 members; 2 observers) and UNESCO site totals change—always date-stamp.
- Include both imperial and metric for accessibility.
- Keep a quick-check table handy to speed up adjudication.





