| Climate Tonga :
| tropical; modified by trade winds; warm season (December to May), cool season (May to December)
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| Terrain Tonga :
| most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base
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| Elevation extremes lowest Tonga :
| Pacific Ocean 0 m
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| Elevation extremes highest Tonga :
| unnamed location on Kao Island 1,033 m
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| Natural resources Tonga :
| fish, fertile soil
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| Land use arableland Tonga :
| 23,61%
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| Irrigated land Tonga :
| NA sq km
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| Natural hazards Tonga :
| cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
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| Environment current issues Tonga :
| deforestation results as more and more land is being cleared for agriculture and settlement; some damage to coral reefs from starfish and indiscriminate coral and shell collectors; overhunting threatens native sea turtle populations
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| Geography note Tonga :
| archipelago of 169 islands (36 inhabited)
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