Castle River
River in Alberta, read from 2 Environment Canada gauges, draining about 317 square miles. Figures refresh every fifteen minutes.
Discharge
119
cfs · 1h ago
Normal for today
—
no long-term record
Water temp
—
not measured here
Water level
2.16
ft
Gauges on this water
Reading by reach
Regional hatch calendar
What is likely hatching near Castle River
Castle River does not have its own verified chart yet. This calendar is combined from the verified charts on Crowsnest River (14 mi), Kootenai River (92 mi), Bow River (97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue-Winged Olive | January: absent | February: absent | March: peak | April: peak | May: active | June: active | July: absent | August: active | September: peak | October: peak | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: peak | August: peak | September: active | October: active | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Pale Morning Dun | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: peak | October: active | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Midge | January: active | February: active | March: peak | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: peak | December: active |
| October Caddis | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: peak | October: peak | November: absent | December: absent |
| Grannom | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: absent | February: absent | March: active | April: active | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
PeakActiveAbsent
Reports
From anglers on Castle River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.