When was Ammonoosuc River, Upper last stocked?

The latest reported stocking was May 21, 2026 (brook trout, 500 fish), according to New Hampshire agency reports.

How often is Ammonoosuc River, Upper stocked?

It was stocked 1 times in the last 12 months.

What kind of trout are stocked in Ammonoosuc River, Upper?

Brook trout (1 stocking, 500 fish); Brown trout (1 stocking, 200 fish).

Ammonoosuc River, Upper trout stocking

Northumberland, Coos County, New Hampshire · stream

Ammonoosuc River, Upper was last stocked 4 months ago (May 21, 2026). We have 2 stockings on record since May 21, 2026, 1 in the last 12 months (700 fish). Species stocked: brook trout, brown trout.

Last stocked

4 months ago

May 21, 2026

Next planned

Not announced

Last 12 months

1 stocking

700 fish

On record

2 stockings

since May 21, 2026

River conditions

USGS gage: UPPER AMMONOOSUC RIVER NEAR GROVETON, NH (5 km away).

Flow: 55 cfs; lower than usual for the last six weeks
Gage height: 1.77 ft

Streamflow, last six weeks (cfs), daily. Latest: 67 cfs on Sep 23.

Latest reading Sep 25, 2026, 2:30 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Ammonoosuc River, Upper

Tonight
37°F
Partly Cloudy then Areas Of Fog
wind 1 mph
Friday
71°F
Areas Of Fog then Partly Sunny
wind 0 to 8 mph
Friday Night
46°F
Cloudy then Slight Chance Light Rain
16% rain · wind 1 to 6 mph
Saturday
64°F
Chance Light Rain
52% rain · wind 6 mph
Saturday Night
48°F
Chance Light Rain
52% rain · wind 7 mph
Sunday
62°F
Chance Light Rain
52% rain · wind 7 mph

Forecast from the National Weather Service for this location, refreshed hourly.

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Brook trout	1	500	500
Brown trout	1	200	200

Stocking history

Date	Species	Fish	Pounds	Hatchery
May 21, 2026	Brook trout	500	88	Berlin State Fish Hatchery
May 21, 2026	Brown trout	200	56	Berlin State Fish Hatchery

From New Hampshire fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Where is Ammonoosuc River, Upper?

Northumberland, Coos County, New Hampshire. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map

Stocked waters near Ammonoosuc River, Upper

Groveton Fish & Game Club Pondlake · 2 mistocked Jun 5, 2026
Nash Streamstream · 4 mistocked Jun 24, 2026
Kids Pondlake · 4 mistocked Jun 19, 2026
Connecticut Riverstream · 4 mistocked Jun 24, 2026
Bog Brookstream · 5 mistocked May 5, 2026
Nash Streamstream · 5 mistocked Jun 24, 2026
Connecticut Riverstream · 5 mistocked Jul 1, 2026
Christine Lakelake · 6 mistocked May 21, 2026

All stocked waters in Coos County Stocked this week in New Hampshire

Questions about Ammonoosuc River, Upper

When was Ammonoosuc River, Upper last stocked?: The latest reported stocking was May 21, 2026 (brook trout, 500 fish), according to New Hampshire agency reports.
How often is Ammonoosuc River, Upper stocked?: It was stocked 1 times in the last 12 months.
What kind of trout are stocked in Ammonoosuc River, Upper?: Brook trout (1 stocking, 500 fish); Brown trout (1 stocking, 200 fish).