Bow River at Calgary
Southern Alberta · 6 active this month
Bow River at Calgary Hatch Calendar
Last reviewed 2026-05-21
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
May hatches
No photo available
Little Black Stonefly
Capniidae
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
Brown Dun
Ameletus spp.
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
Midge
Chironomidae
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
Blue-winged Olive
Baetis spp.
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Grannom
Brachycentrus occidentalis
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Sow Bug
Asellus
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.