🏞️ RIVERS, LAKES AND WATERFALLS World Geography · Ch 14

BPSC / BSSC — World Geography Mind Map Series

🏞️ Rivers — Key Concepts
  • Indus → Longest river of Pakistan
  • Brahmaputra (Tributary – Wang Chu river) → an Antecedent river
  • Volga River (Russia) → Longest river of Europe
🌿 Drainage Patterns

Dendritic Pattern

  • Tree-branch-like shape — the most common drainage pattern
  • Tributaries join the main river at an acute angle
  • Forms on uniformly resistant rock

Trellis Pattern

  • Tributaries join the main river at a perpendicular (right) angle
  • Common in folded mountain/foothill regions, e.g. Bhutan/Himalayan foothills
🇪🇺 Danube River
  • Flows through 10 European countries: Germany, Austria, Slovakia, Croatia, Serbia, Hungary, Bulgaria, Romania, Moldova, Ukraine
  • Length – 2860 km
  • Origin – Black Forest (Germany)
  • Mouth – Black Sea
📌 Yangtze Longest river in Asia • Shanghai is situated on it
⚠ Exam Trap
Don't mix up Dendritic (acute-angle tributaries, most common) with Trellis (perpendicular tributaries, found in folded terrain like Bhutan) — these two drainage patterns are frequently swapped in MCQs.
🌍 Major Rivers of the World (Top 10)
Name of RiverSourceFalls IntoLength (km)
Nile (Longest)Ethiopian HighlandsMediterranean Sea6,650
Amazon (Largest by Volume)Andes Mountains, PeruAtlantic Ocean6,400
Yangtze (Chang Jiang)Tibetan PlateauEast China Sea6,300
Mississippi-Missouri (World's largest river system)Red Rock (Montana)Gulf of Mexico6,275
YeniseiTuva MountainsArctic Ocean5,539
Huang He / Yellow River (China's Sorrow)Kunlun MountainsBohai Sea5,464
ObAltai MountainsGulf of Ob5,410
Congo / ZaireConfluence of Lualaba and LuapulaAtlantic Ocean4,700
AmurNortheast ChinaSea of Okhotsk4,444
Lena (Russia)Lake BaikalArctic Ocean4,400
  • Congo / Zaire River – crosses the equator twice
  • Limpopo River (South Africa) – crosses the Tropic of Capricorn twice
  • Aswan Dam (Nile River)
  • Kariba Dam (Zambezi River)
⚡ Quick Recall
Nile = Longest river (length) · Amazon = Largest river (volume/discharge) — two different superlatives, easily confused.
🌊 Major Lakes of the World
📌 Study of Inland Waters (Lakes, Rivers) Limnology
Name of LakeRelated RegionArea (sq. km)
Caspian Sea (Largest saline water lake)Kazakhstan, Turkmenistan, Azerbaijan, Russia and Iran3,71,000
Lake Superior (Largest freshwater lake)Canada and USA82,100
Lake Victoria (Largest in Africa)Uganda, Tanzania and Kenya68,870
Lake HuronCanada and USA59,570
Lake MichiganUSA58,030
Lake Tanganyika (Longest)Congo, Tanzania, Zambia and Burundi32,900
Lake Baikal (Deepest – 1642 m)Russia31,722
Great Bear LakeCanada31,153
Great Slave LakeCanada27,200
Lake ErieCanada and USA25,744
Lake WinnipegCanada24,514
Lake OntarioCanada and USA18,960
Lake LadogaRussia17,700
Lake Titicaca (Honeymoon Lake – Highest navigable lake)Peru and Bolivia8,372
⚠ Exam Trap
Caspian Sea = Largest saline lake; Lake Superior = Largest freshwater lake — both are "largest lake" answers but for different categories.
💦 Major Waterfalls of the World
NameLocationHeight (m)
Angel Falls / Kerepakupai Merú (Highest)Canaima, Venezuela (Carrao River)979
Tugela FallsSouth Africa948
Yosemite FallsCalifornia, USA739
MardalsfossenNorway655
Rjukan FallsNorway610
Ribbon FallsCalifornia, USA491
Jog Waterfall / Gersoppa (Sharavathi River)Karnataka, India253
Niagara FallsUSA-Canada Border57
📌 Jog (Gersoppa) Waterfall Also famous as Mahatma Gandhi Waterfall (Sharavathi River, Karnataka, India)
⚡ Quick Recall
Niagara Falls is famous for water volume, not height — at only 57 m, it's far shorter than Angel Falls (979 m).
📝 Important Facts — Rivers, Lakes & Waterfalls
FactDetails
Longest river in the worldNile (6,650 km) – Ethiopian Highlands → Mediterranean Sea
Largest river by volume / dischargeAmazon (Atlantic Ocean)
Longest river in AsiaYangtze (Chang Jiang) – 6,300 km (China)
Longest river in EuropeVolga (Russia)
World's largest river systemMississippi-Missouri (USA)
Largest saline water lakeCaspian Sea (3,71,000 sq. km)
Largest freshwater lakeLake Superior (Canada-USA)
Largest lake in AfricaLake Victoria (Uganda, Tanzania, Kenya)
Deepest lake in the worldLake Baikal (1,642 m deep) – Russia
Longest lakeLake Tanganyika
Highest navigable lakeLake Titicaca (Peru-Bolivia) – Honeymoon Lake
Highest waterfallAngel Falls (979 m) – Venezuela
India's highest waterfallJog / Gersoppa Falls (253 m) – Karnataka (Sharavathi River)
Study of inland watersLimnology
⚡ Quick Recall
Lake Baikal holds two records: Deepest lake AND source of the Lena River.
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