Grindstone Creek
River in Ontario, read from 2 Environment Canada gauges, draining about 28 square miles. Figures refresh every fifteen minutes.
Discharge
—
not reporting
Normal for today
—
no long-term record
Water temp
—
not measured here
Water level
27.45
ft
Gauges on this water
Reading by reach
Regional hatch calendar
What is likely hatching near Grindstone Creek
Grindstone Creek does not have its own verified chart yet. This calendar is combined from the verified charts on Oak Orchard Creek (88 mi), Grand River (129 mi), Clarion River (144 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Atlantic Salmon | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: active | October: active | November: active | December: absent |
| Blue-Winged Olive | January: absent | February: absent | March: active | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
| Brown Trout | January: active | February: active | March: active | April: active | May: active | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: active |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: active | July: active | August: active | September: active | October: active | November: absent | December: absent |
| Chinook Salmon | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
| Coho Salmon | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
| Egg Patterns | January: active | February: active | March: peak | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: peak |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: absent | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Lake-Run Smallmouth | January: absent | February: absent | March: absent | April: peak | May: peak | June: active | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: active | February: active | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
PeakActiveAbsent
Reports
From anglers on Grindstone Creek
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.