All Rivers

Castle RiverFishing Report — August 2026

Southern Alberta

Castle River near Beaver Mines. Wild Castle wilderness cutthroat and bull trout stream — remote, high-quality native fishery.

Cutthroat Trout
Cutthroat Trout
Rainbow Trout
Rainbow Trout
Bull Trout
Bull Trout
Brown Trout
Brown Trout
Mountain Whitefish
MTN Whitefish

Current Conditions — Is Castle River clear to fish today?

Normal for season

Good wading conditions

Flows are about normal for this time of year — a comfortable range for wading and standard dry-fly or nymph fishing on this stream.

Discharge

3.9

m³/s

Level

0.68

metres

Station

CASTLE RIVER NEAR BEAVER MINES

Gauge reading · 4h ago

Hatch Charts — August 2026

Local Weather

Castle River

☀️22°Cnow
Today ~11° / 29°C

Clear Sky

Low near 11°C, high near 29°C. Wind 12 km/h WNW (gusts ~23) morning → 13 km/h WSW (gusts ~35) afternoon → 12 km/h SE (gusts ~36) evening.

Feels like

20°C

6 AM

11°

7 km/h WNW

12 PM

25°

10 km/h ESE

6 PM

27°

18 km/h SW

9 PM

21°

6 km/h SE

Wind (now)

6 km/h WSW · gusts 21

Humidity

30%

UV Index

0

Sportfishing Regulations

Limits, seasons, and gear rules depend on the waterbody. Always confirm the current regulations before you fish.

Notes

Gauge downstream of core wilderness — upper basin even smaller.