Southland topographic map

Average elevation: 743 m

A combination of high intensity rainfall, high topographic relief and short steep rivers often leads to rapid flooding of low-lying land across the West Coast. Since its founding Greymouth has experienced two dozen floods by the Grey River, with many of the most significant being assigned names: for example,…

Average elevation: 40 m

Average elevation: 1,375 m

Average elevation: 137 m

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Average elevation: 114 m

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Average elevation: 108 m

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Average elevation: 758 m

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Average elevation: 1,397 m

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Average elevation: 1,059 m

Average elevation: 1,274 m

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Average elevation: 751 m

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Average elevation: 13 m

Average elevation: 1,106 m

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Average elevation: 31 m

Average elevation: 46 m

Average elevation: 1,636 m

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Average elevation: 175 m

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Average elevation: 1,595 m

Average elevation: 69 m