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 seem to be hanging out in the deeper pools of water. Keep moving around to find fish. Water levels are currently at normal levels.
Fishing Report Last Updated:
10 / 12 / 2020
Fishing Conditions

Fly Fishing Merrimack River is currently Good

Orvis-Endorsed guides nearby:

Water flow: 1410

Visibility: 60 inches

Water temperature at mid-day: 58 Degrees F

Water condition: Clear

Best time of day to fish: afternoons

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

Person Fishing in a stream

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

Weighted streamers on a floating or sink tip line should produce some action. Fish seem to be a bit more active in the afternoons. Surface activity has been absent lately and is probably over for this season.

7-Day Forecast

Recent rains have brought water levels up to normal levels. Additional rain over the coming week should keep levels normal. General fishing season closes October 15th but most of the Merrimack remains open year round.

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