Isinglass River
creek in New Hampshire
A spring-fed system with clear water and selective trout; favourite for fly anglers looking for big brook trout on small takes and quality dry-fly days.
Blue-Winged Olive (BWO) hatches are active
- 01Blue-Winged Olive (BWO) hatches are active, especially on overcast days.
- 02October Caddis are making their presence known, providing opportunities for larger dry flies.
- 03Trout are becoming more aggressive, keying into baitfish and sculpins.
- 04Egg patterns are highly effective due to ongoing spawning activity.
- 05Midges remain a consistent food source, particularly subsurface.
Past reports week by week
12 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
Blood Dot Egg
Fall is spawning season for some trout and salmon. Egg patterns are crucial for opportunistic trout feeding below spawning fish.
Buy at AmazonBlue-Winged Olive (BWO) Comparadun
Blue-Winged Olives are a dominant hatch in the fall, especially on overcast days. This low-profile dry fly effectively imitates the adults for selective trout.
Buy at AmazonOctober Caddis (Dry)
Fall is prime time for the large October Caddis hatch. This dry fly imitates the adult caddis and can draw aggressive strikes.
Buy at AmazonMuddler Minnow
As water temperatures cool, trout become more predatory, actively feeding on baitfish and sculpins. The Muddler Minnow is a classic fall streamer.
Buy at AmazonTravis Hi-Vis BWO Para Emerger
As BWO hatches occur, trout often key in on vulnerable emergers struggling in the surface film. This high-visibility pattern helps detect subtle takes.
Woolly Bugger (Olive)
A versatile and effective streamer that imitates leeches and baitfish, both of which are active and preyed upon by trout in fall waters.
Zebra Midge
Midges are a consistent food source year-round, becoming even more important as other insect activity wanes in cooler fall temperatures.
Buy at AmazonWhere to fish and who to ask
Bellamy Reservoir Headwaters
Upper spring-fed reaches with very clear water and fine dry-fly opportunities in summer.
Dover / Rochester Road Crossings
Accessible stream sections with reliable insect activity and good sight-fishing pockets.
Rochester / Gonic Area
Multiple public accesses with pocket water and undercut banks that hold trout.
Fly shops within 40 miles
Eldredge Bros. Fly Shop
Eldredge Brothers Fly Shop
Orvis Kittery
Shoals Fly Fishing and Light Tackle
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New Hampshire season by season
What changes on the water through the year, with the flies for each season.
Read before you go
Winter Fly Fishing: Essential Cold Weather Tips & Tactics
Master winter fly fishing with proven cold weather strategies, gear selection, and tactics for catching trout when temperatures drop.
How to Pick the Right Fly Rod Weight for Any Situation
Master fly rod weight selection with expert guidance on matching rod power to fish species, water conditions, and fishing techniques for optimal performance.
Fly Line Types Guide: WF, DT, Running & Shooting Heads
Master fly line selection with our comprehensive guide to weight forward, double taper, running lines, and shooting heads for every fishing situation.
Fly Fishing Pack vs Vest: Which Setup Is Right for You?
Compare fly fishing packs and vests to find the perfect gear setup for your angling style and fishing conditions.
Best Fly Fishing Sunglasses: Lens Color & Polarization Guide
Master lens color selection and polarization technology for superior vision and fish detection on the water.
Fly Fishing Nets – Rubber vs. Nylon & Why It Matters for Fish
The net you choose dramatically impacts fish survival. Here's why rubber nets are superior to nylon for catch-and-release success.
Quick answers
Common questions about Isinglass River.
What flies work best on Isinglass River?
Our top scored fly patterns for Isinglass River right now are Blood Dot Egg (80% confidence), Blue-Winged Olive (BWO) Comparadun (80% confidence), October Caddis (Dry) (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Isinglass River?
Isinglass River holds Brook Trout, Brown Trout. See the species links on this page for fly recommendations and seasonal behavior for each.
Is Isinglass River fishing well right now?
We publish a fresh bite report for Isinglass River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.