River WA

Boulder River

Washington • 48.2345, -121.7917
Length
14 mi
23 km
Elevation
3,890′ → 311′
3,578 ft drop
Stream Order
6
Large River
Slope
4.71%
248.8 ft/mi
Drainage
26 mi²
67 km²
Avg Flow
-- cfs
1.4 mph velocity
Path to Mouth
63 mi
101 km to ocean
Classification
Tributary
Mid-reach
Elevation Profile
Data from USGS & NOAA for informational purposes only. More

Access Sites on Boulder River

There are 2 boat ramps, launches, and public access points on Boulder River.