Castle RiverFishing Report — May 2026
Zone ES1Special WatersCastle River near Beaver Mines. Wild Castle wilderness cutthroat and bull trout stream — remote, high-quality native fishery.
Current Conditions — Is Castle River clear to fish today?
Spring runoff — challenging conditions
Flows are about normal for this time of year. Even when that looks normal for late spring, water is often fast and discoloured on freestone rivers. Tailwaters and spring creeks are usually better options until this drops and clears.
Avoid wading in heavy current — fish from the bank if you go at all.
Discharge
57.3
m³/s
Level
1.44
metres
Station
CASTLE RIVER NEAR BEAVER MINES
Gauge reading · 3h ago
Hatch Charts — May 2026
Local Weather
Castle River
Overcast
Low near 12°C, high near 25°C. Wind 10 km/h WNW (gusts ~23) morning → 4 km/h SE (gusts ~7) afternoon → 6 km/h W (gusts ~12) evening.
Feels like
23°C
6 AM
12°
10 km/h WNW
12 PM
20°
4 km/h N
6 PM
25°
5 km/h SSW
9 PM
22°
6 km/h W
Wind (now)
7 km/h ESE · gusts 7
Humidity
43%
UV Index
4
Sportfishing Regulations
Zone boundaries and Special Waters designations from Alberta Fish & Wildlife GIS (updated 2026-05-20). Bag limits, seasons, and gear rules are only on the official guide — verify before you fish.
Watershed unit (sportfishing zone)
Rocky Mountain headwaters and high-elevation streams (Banff area, upper Bow).
Open ES1 regulations on albertaregulations.caFish management zone (FMZ)
Eastern Slopes Zone
Broad provincial zone — detailed limits are set per watershed unit above.
Alberta Special Waters (RL-PAAS)
This waterbody appears in the provincial Special Waters inventory. Extra rules (bait bans, size limits, seasonal closures, etc.) may apply — read the official zone guide and any waterbody-specific schedules.
- CASTLE RIVER · Blairmore district
Fisheries survey species: Brown Trout, Bull Trout, Burbot, CRTR, Cutthroat Trout, Fathead Minnow (+8 more) (inventory data — not a limit table)
Bull trout catch-and-release only.
Current guide season: April 1, 2026 – March 31, 2027.
Notes
Gauge downstream of core wilderness — upper basin even smaller.