Ashburner CreekClearwater · 5.8 of 5.8 km public · Bull trout
Assineau RiverBig Lakes, M.D. of Lesser Slave River · 46.6 of 46.7 km public · Arctic grayling
Aster LakeKananaskis I.D. · lake · Stocked lakes and ponds
Athabasca RiverAthabasca, I.D. No. 24 Wood Buffalo, M.D. of Greenview, M.D. of Lesser Slave River, M.D. of Opportunity, Regional Municipality of Wood Buffalo, Woodlands, Yellowhead · 1193 of 1193 km public · Rainbow trout, Brook trout, Bull trout, Arctic grayling
Atkinson CreekM.D. of Bighorn · 11.3 of 11.3 km public · Brook trout, Bull trout
Aura CreekM.D. of Bighorn · 5.8 of 5.8 km public · Cutthroat trout, Brook trout, Bull trout