River WA

Tsoo-Yess River

Washington • 48.2574, -124.5826

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

18 mi

30 km

Elevation

1,434′ → 6′

1,428 ft drop

Stream Order

Large River

Slope

1.47%

77.5 ft/mi

Drainage

42 mi²

108 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

18 mi

29 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Loading the interactive map…

Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar