Hatches and Flies
While not a technical hatch-matching river, the upper Oldman boasts a variety of insect activity. Western Green Drakes, Golden Stones, Pale Morning Duns, and other mayflies and caddis dominate the summer months, with terrestrial activity peaking in late summer.Effective fly patterns include:Yellow Stimulators (Size 10-12)
Parachute Adams (Size 14)
Beadhead Pheasant Tail Nymphs (Size 14-16)
Fishing Tips
Most of the action involves prospecting for trout with attractor dry flies, often paired with small beadhead nymphs below. The river is home to predominantly 8- to 15-inch Cutthroat Trout, with occasional surprises lurking in deeper pools.