Merrimack River - Upper, New Hampshire Fly Fishing Reports & Conditions
Reported by David Kolesar
Fly Fishing Map of Merrimack River, NH
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Merrimack River - Upper, New Hampshire Fly Fishing Reports & Conditions
My tips of the week
Bass are in the typical places in the slower water below riffs close to the shoreline and structure. A yellow sneaky pete has appealed to them recently.
Fishing Report Last Updated:
7 / 7 / 2020
Fishing Conditions

Fly Fishing Merrimack River is currently Excellent

Orvis-Endorsed guides nearby:

Water flow: 1150

Visibility: 60 inches

Water temperature at mid-day: 72 Degrees F

Water condition: Clear

Best time of day to fish: mornings and evenings

Best stretch: Franklin to Concord

Best access point: Boscawen Boat Launch. Shore access can be found at various locations along route 3 and a rail trail that crosses the boat launch in Boscawen.

Fly fishing hatches in order of importance:

alder fly hatch in mid-June

Fish species: Smallmouth bass, trout

Fishing season: no closed season for all species except for salmon. But there is a catch and release season on bass.

Nearest airport: Manchester -Boston Regional Airport

Merrimack River Description

The upper Merrimack river from Franklin to Concord NH is a large freestone river formed by the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin. The river continues flowing southeast ward through Nashua NH into Massachusetts before emptying into the Atlantic Ocean. The upper river has a good current flow with long stretches of calm water interrupted by shallow rapids. While trout are stocked ...

Techniques & Tips

Try poppers, hairbugs, and floating/diving flies like the Sneaky Pete or Dahlberg Diver.

7-Day Forecast

Some rain has fallen and remains in the forecast for several more days. Water levels have risen some. Fishing should improve with the influx of cool rain water.

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