South Nahanni River above Virginia Falls

Water level and flow at gauge 10EB001, Northwest Territories. The flow is below normal for October (79% of the median). In the last 24 hours it has been falling.

Water level
2.12m6.96ft
−12 cm−4.6 in in 24 h
Flow
105m³/s3,708cfs
-25% in 24 h
Status
Below normal
↓ falling -25%

Latest reading Oct 25, 5 AM local standard time (2 hours ago) · data checked · we check every 30 minutes

Compared with a normal October

Normal for October (middle half of 55 years of monthly averages): 113 m³/s3,973 cfs – 162 m³/s5,721 cfs, median 133 m³/s4,697 cfs. Right now it is at 79% of the median.

Highest flow on record
2,350m³/s82,990cfs

July 27, 1972 · approved records 1963–2019 (HYDAT). Right now the flow is 4% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

100 m³/s150 m³/s200 m³/s4,000 cfs5,000 cfs6,000 cfs7,000 cfs8,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

500 m³/s1,000 m³/s10,000 cfs20,000 cfs30,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median2026 (provisional)

Normal range: monthly averages of 54 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.

Nearby gauges

Flat RiverThe Mouth · 24 km0.81 m2.66 ftVery low
Prairie CreekCadillac Mine - Site Two · 53 km1.44 m4.73 ftVery high
Tetcela RiverCanadian Zinc Road · 111 km7.55 m24.77 ftNo normal yet
Hyland RiverKilometre 108.5 Nahanni Range Road · 131 km0.33 m1.07 ftVery low
Grainger RiverCanadian Zinc Road · 132 km8.17 m26.80 ftVery low
South Nahanni RiverLiard River Confluence · 144 km91.28 m299.47 ftNo normal yet

About this gauge

Station: 10EB001 · South Nahanni River Above Virginia Falls

Location: 61.6361, -125.7970 · Northwest Territories

Same river: Liard River Confluence

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Official sources

For flood warnings, advisories and approved data, always use these official services:

Questions

What is the water level of the South Nahanni River above Virginia Falls today?

The latest reading (Oct 25, 5 AM, local standard time) is 2.12 m (6.96 ft) with a flow of 105 m³/s (3,708 cfs).

Is the South Nahanni River above Virginia Falls high right now?

The flow is below normal for October (79% of the median).

Is the South Nahanni River rising or falling?

In the last 24 hours it has been falling.

What is the highest flow ever recorded on the South Nahanni River above Virginia Falls?

2,350 m³/s (82,990 cfs) on July 27, 1972, the highest instantaneous flow in the approved records of the Water Survey of Canada (1963–2019). Events after 2019 are not yet in the approved archive.

Where does this data come from?

Gauge 10EB001 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.