Bonnechere River at Castleford
Water level and flow at gauge 02KC009, Ontario. The flow is well above normal for October (254% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 7 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 104 years of monthly averages): 5.32 m³/s188 cfs – 9.17 m³/s324 cfs, median 6.77 m³/s239 cfs. Right now it is at 254% of the median.
April 20, 2019 · approved records 1963–2024 (HYDAT). Right now the flow is 6% of that record.
64% higher than on October 25, 2025 (10.5 m³/s371 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 100 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.
Weather near this gauge
Sunny. Fog patches dissipating this morning. Wind up to 15 km/h. High 18. Wind chill minus 5 this morning. UV index 3 or moderate.
Becoming cloudy this evening with 30 percent chance of showers overnight. Low 10.
Mainly cloudy. 40 percent chance of showers in the morning. Wind northwest 20 km/h gusting to 40. High 12. UV index 2 or low.
Clear. Low minus 7.
Forecast for Renfrew (9 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Carp RiverKinburn · 30 km | 4.83 m15.86 ft | Normal |
| Indian RiverBlakeney · 37 km | 8.56 m28.09 ft | Normal |
| Clyde RiverGordon Rapids · 41 km | 2.99 m9.80 ft | Above normal |
| Mississippi RiverAppleton · 50 km | 1.71 m5.62 ft | Above normal |
| Clyde RiverLanark · 52 km | 8.11 m26.60 ft | Above normal |
| Mississippi RiverFergusons Falls · 54 km | 3.03 m9.92 ft | Normal |
About this gauge
Station: 02KC009 · Bonnechere River Near Castleford
Location: 45.4965, -76.5646 · Ontario
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 Bonnechere River at Castleford today?
The latest reading (Oct 25, 7 AM, local standard time) is 5.94 m (19.50 ft) with a flow of 17.2 m³/s (607 cfs).
Is the Bonnechere River at Castleford high right now?
The flow is well above normal for October (254% of the median).
Is the Bonnechere River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Bonnechere River at Castleford?
280 m³/s (9,888 cfs) on April 20, 2019, the highest instantaneous flow in the approved records of the Water Survey of Canada (1963–2024). Events after 2024 are not yet in the approved archive.
How does the Bonnechere River at Castleford compare with a year ago?
The flow is 64% higher than on October 25, 2025 (10.5 m³/s (371 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02KC009 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.