A structure formed on the surface of the Earth by natural processes, the principal subject of geomorphology.

The Big Stuff

• Earth
• Tectonic plate
• Mid-Ocean Ridge
• Ocean and Sea
• Continent
• Plain
• Shield

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Structural landforms

• Mountain
• mountain range
• volcano
• shield volcano
• dike
• sill
• neck
• lava flow
• seamount
• fault mountains
• horst
• graben
• folded mountains
• gap
• anticline
• syncline
• Alpine landforms
• cirque
• hanging valley
• horn
• tarn
• Remnants
• Inselberg
• Monadnock
• Nunatak, Horn
• Steptoe, dagala, kipuka
• Bornhardt, tor, koppie
• Pediment
• landforms caused by resistant rock layers
• mesa and butte
• cuesta
• hogback
• exfoliation dome
• natural arch
• karst topography
• cave
• stalactite
• stalagmite
• doline -- Solution doline, collapse doline
• polje (aka 'karst window')
• ponor
• sinkhole
• tower karst

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Sedimentary landforms

• alluvial plain
• peneplain
• delta
• loess
• sand dunes

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Coastal landforms

• Island
• atoll
• seamount
• coral reef
• barrier island coastline
• strand
• spit
• tombolo
• cuspate foreland
• Ria coastline
• pocket beach
• stack
• wave-cut terrace
• fjord coastline

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Hydrographic landforms

• River
• Floodplain aka alluvial plain
• meander
• oxbow lake
• levee
• yazoo
• canyon
• rapids
• nick point aka threshold
• waterfall
• drainage patterns
• dendritic drainage
• stream piracy and barbed drainage
• trellised drainage aka parallel drainage
• consqeuent
• subsequent
• resequent
• obsequent
• deranged drainage
• estuary
• delta
• tributary and distributary
• intermittent stream
• lost river
• Lake
• playa lake
• kettle lake
• spring
• artesian well
• wetlands
• cypress swamp
• Bilibong
• bayou
• bog
• peat bog
• cranberry bog

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Ice Landforms

(see also Glacier Terminology)

• sea ice
• ice shelf
• iceberg
• Glacier
• cirque
• alpine glacier
• ice cap or Icelandic glaciers
• ice sheet
• block
• drift
• moraine
• esker
• drumlin
• boulder
• mass wasting
• roche moutonee
• periglacial landforms
• tundra
• soil polygon
• pingo
• ice wedge
• meltwater effects
• ice dam lakes, especially Lake Agassiz
• Channeled Scablands
• kettle lake
• Climate change landforms
• land bridge
• pluvial lake
• sand hills

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Arid landforms

• desert
• erg and sand dune
• barchan
• longitudinal dune
• star dune
• deflation hollows
• desert pavement (deflation zone, reg, gibber plain)
• playa lake
• salt flat
• mountain erosion
• allivual fan
• bolson
• bajada