Athol to Ervingon Millers River
River flow last 30 days
Blue-Winged Olive (BWO) hatches are active
- 01Blue-Winged Olive (BWO) hatches are active, providing consistent dry fly opportunities, especially on overcast afternoons.
- 02October Caddis are experiencing peak hatch activity, with large adults on the water and pupae migrating subsurface.
- 03Subsurface nymphing with BWO and Caddis pupa imitations will be highly effective, mimicking prevalent aquatic insects.
- 04Streamer fishing for larger brown trout and smallmouth bass is productive as fish become more aggressive and look for substantial meals.
- 05Egg patterns can be successful in areas below any spawning activity, as trout opportunistically feed on stray eggs.
What to tie on at Athol to Erving
Picked from recent reports for this stretch.
Hendrickson Nymph
Hendricksons are a key early spring hatch; nymphs are active subsurface and a primary food source for trout.
March Brown Dry
March Browns are actively hatching, making this a primary dry fly for rising trout.
Blue-Winged Olive Comparadun
Blue-Winged Olives are actively hatching in early spring, making this low-profile dry fly excellent for selective trout feeding on emergers and adults.
Elk Hair Caddis
Caddisfly activity increases in late spring; this pattern is effective for targeting adult caddis.
Buy at AmazonHare's Ear Nymph
This is an essential, versatile nymph pattern that mimics a variety of aquatic insects active year-round.
Buy at AmazonWoolly Bugger (Black/Olive)
A versatile streamer, effective for enticing aggressive strikes from both trout and smallmouth bass, imitating leeches and baitfish active in colder spring water.
Pine Squirrel Leech (Olive)
Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, lethargic trout in early spring.
Prince Nymph
A classic attractor nymph that remains consistently effective across all water types, year-round.
Buy at AmazonSquirmy Wormy
Heavy rain has increased river flows, dislodging aquatic worms that are a prime food source for all target species. This pattern is highly effective in turbid, high water conditions.
Buy at AmazonMassachusetts season by season
What changes on the water through the year, with the flies for each season.
Fly shops nearby
Local flies, current advice and guided trips.