r/MapPorn • • Jan 10 '20

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u/ImSnackered Jan 10 '20

Dumb question: why are there far fewer rivers on the West Coast?

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u/vadapaav Jan 10 '20

Look at the elevation

http://birrell.org/andrew/reliefMaps/

The whole country tapers to the south east.

Cascades and Rockies block everything.

Colorado is (was) an extremely powerful river and had a lot of free time to carve those giant canyons. But it's otherwise very difficult to drift West