What is the current flow on North Fork Bull Run River?

North Fork Bull Run River was running 11 cubic feet per second as of Aug 1, 2026, 5:45 PM UTC, measured at USGS gauge 14138900. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

What is the water temperature on North Fork Bull Run River?

50.7°F (10.4°C) as of Aug 1, 2026, 5:45 PM UTC, at USGS gauge 14138900. North Fork Bull Run River carries no state trout classification, so the trout-stress thresholds do not apply to it — this is a water temperature measurement, not a fishery judgement.

North Fork Bull Run River

Oregon. Streamflow and water-temperature readings from USGS gauges. Running 11 cfs as of Aug 1, 2026, 5:45 PM UTC.

Latest Reading

cubic feet / second

50.7°F

water temperature (10.4°C)

USGS gauge

Flow measured Aug 1, 2026, 5:45 PM UTC at gauge 14138900. Temperature measured Aug 1, 2026, 5:45 PM UTC at gauge 14138900. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on North Fork Bull Run River

Gauge	Station	Water temp?
14138900	NORTH FORK BULL RUN RIVER NEAR MULTNOMAH FALLS, OR	Yes

Fly fishing rivers →Oregon lakes →

Conditions: USGS NWIS (public domain).