Remote Keweenaw Peninsula stream with wild brook trout. Native brook trout in cold headwaters. Lightly fished and extremely scenic. Spring steelhead run in lower river.
Species present: Brook trout, Steelhead trout. Stream type: UP headwater.
Based on current water temperature and time of year, the following insects are active or expected on the Trap Rock River.
| Hatch | Latin | Top Patterns | Time of Day |
|---|---|---|---|
| Blue-Winged Olive (Baetis) | Baetis spp. | Parachute BWO #16, Sparkle Dun BWO #16 | midday |
| Trico | Tricorythodes spp. | CDC Trico Spinner #20, Trico Dun #20 | morning |
| Terrestrials | Beetles, ants, hoppers, crickets | Foam Beetle #12, Chernobyl Ant #10 | afternoon |
| White Fly | Ephoron leukon | White Wulff #12, White Comparadun #14 | night |
| BWO (Fall) | Baetis tricaudatus | Parachute BWO #16, Pheasant Tail Nymph #16 | midday |
| Fall Caddis | Neophylax spp. | Orange Elk Hair Caddis #14, LaFontaine Pupa (orange) #14 | afternoon |