Diamond River
river in New Hampshire
The Diamond River is a true gem in New Hampshire's North Country, providing a picturesque setting for pursuing wild brook trout. Its clear, cold waters flow through forested landscapes, offering a serene and rewarding fly fishing experience.
No bite report yet
We publish a report when we have recent fishing reports for Diamond River. Save this water and we'll email you the first one.
What to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
Pheasant Tail Nymph
A versatile and effective nymph that imitates various mayfly nymphs, which are active subsurface year-round and particularly relevant during fall BWO periods.
Buy at AmazonBlue-Winged Olive Comparadun
Blue-Winged Olives are a consistent fall hatch, especially on overcast days, making this low-profile dry fly effective for selective trout keying on emergers and adults.
Woolly Bugger (Olive)
A reliable year-round streamer, effective for imitating leeches and baitfish, which are consistent food sources for aggressive trout in cooling fall waters.
Mahogany Dun
Mahogany Duns (Paraleptophlebia) are common late summer and fall hatches, offering dry fly opportunities for trout.
Buy at AmazonPine Squirrel Leech (Olive)
Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, lethargic trout in fall.
Blood Dot Egg
Fall is prime egg season below spawning salmon or for opportunistic trout feeding on resident fish eggs, a vital high-calorie food source.
Buy at AmazonZebra Midge
Midges are a primary and consistent food source year-round, especially as water temperatures cool in the fall. This nymph is a staple subsurface pattern.
Buy at AmazonWhere to fish and who to ask
Diamond Pond Road Access
Access points along Diamond Pond Road, particularly in the lower sections of the river.
Dixville Notch State Park Area
Upper sections of the river can be accessed near Dixville Notch State Park, offering more secluded fishing.
Fly shops within 40 miles
Points North Outfitters
North Country Fly Shop
Lopstick Outfitters
Northern Water Guide Service
Get Diamond River reports by email
Save this water and we'll email you a weekly summary of conditions, hatches and what's working.
New Hampshire season by season
What changes on the water through the year, with the flies for each season.
Read before you go
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Quick answers
Common questions about Diamond River.
What flies work best on Diamond River?
Our top scored fly patterns for Diamond River right now are Pheasant Tail Nymph (80% confidence), Elk Hair Caddis #14 (80% confidence), Trico Spinner #22 (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Diamond River?
Diamond River holds Brook Trout. See the species links on this page for fly recommendations and seasonal behavior for each.