Riverable🇨🇦 CA

Mattagami River Flow & Floatability Conditions

Real-time ECCC streamflow discharge in cubic metres per second (m³/s), river water depth, ambient water temperature, and craft-specific floatability ratings near Mattagami River near Timmins, Ontario.

Ontario · ECCC #04LA002Live ECCC Station· Updated 4m ago

Mattagami River

near Mattagami River near Timmins
FLOATABILITY INDEX⏱Profile: Leisure Tubing & Float
1.0OUT OF 10Hazard / Flood Stage
⚡HIGH WATER SURGE (CAUTION)

Dangerous flood surge; extreme undertows and debris

💡Paddle Advisory:

DANGER: Stay off the river! Dangerous high water and flash flood surge.

Minimum Rec: 4.5 m³/s+245.5 m³/s Above Min
DISCHARGE (m³/s)
250.0 m³/s
Median: 250 m³/s
Est. Baseflow↑ 0% median
GAGE HEIGHT
2.40 m
Flood action: 6.72 m
Water StageSteady
WATER TEMP
7°C
Wetsuit: Advised (<50°F)
ImmersionCold Shock
AIR & SKY
11° C
Humidity: 48%
Rain: 2%10 km/h NW

Select Activity Profile to Recalibrate Scoring

Dynamic score calculation adjusts thresholds according to watercraft draft, hull clearance, and flow rate.

Active: Leisure Tubing & Float (4.5–18 m³/s)
Lazy summer river floats & family tubing. Ideal flow 4.5–18 m³/s (~160–630 cfs), warm sunshine, minimal rapids.
Updated via ECCC GeoMet

24-Hour Streamflow Hydrograph (m³/s)

Discharge telemetry vs. seasonal baseline

Observed Flow
Min Safe Float (4.5 m³/s)
4.5 CFS Target
24 Hours Ago12 Hours AgoLive Sensor (250.0 m³/s)

River Access & Scout Reports

Field verified river miles & access status

6.4 mi FloatEst: 3.5 hrs
IN
Mattagami River near Timmins (Mile 0.0)
Paved concrete ramp • Free parking (12 slots) • Easy put-in
Open
!
Mile 2.4 - Exposed Gravel BarCaution
Clear navigation channel on river left bend
Passable
Explore Complete Access Map & GPS Take-outs →

Frequently Asked Questions About Mattagami River

What is the current water flow rate of Mattagami River?

Current discharge for Mattagami River is measured in cubic metres per second (m³/s) at Environment Canada (ECCC) station #04LA002 near Mattagami River near Timmins, Ontario.

Is Mattagami River safe for canoeing and kayaking today?

Paddling conditions depend on live flow rates and gauge depth. Riverable Canada provides a real-time 1–10 Floatability Score calibrated specifically for kayaks, canoes, rafts, and tubes. Check the live status badge above before heading out.

How fast does water flow on Mattagami River?

Water velocity correlates with discharge (m³/s) and river gradient. Low flow produces lazy paddling speeds (1–3 km/h), while higher discharge generates swifter currents (5–10+ km/h) and hydraulic hazards.

Can rain in the watershed cause Mattagami River to rise rapidly?

Yes, upstream rainfall and mountain snowmelt directly influence runoff and river levels. Riverable Canada monitors cumulative precipitation models and upstream weather to alert paddlers to rapid surge conditions.