SALISH SEA · US & CANADA

Waterways of the Salish Sea

Every major river feeding the Salish Sea, from Vancouver Island and the Olympic Peninsula to the North Cascades, drawn at the width of its mean annual discharge.

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Edition & sources

Edition: 2026.2
Sources: USGS NHDPlus HR, USGS NWIS, BC Freshwater Atlas, ECCC HYDAT, USGS 3DEP, NRCan HRDEM, WA Ecology NHD, SMA & IBM 2001, NRCan 2020 land cover, Natural Earth 10m

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