Maine
East Branch Penobscot River at Grindstone
Location Snapshot
East Branch Penobscot River at Grindstone is a northern Maine moving-water fishery with wild coldwater species. The principal supported target is brook trout, with landlocked salmon providing additional species variety within the same fishery.
Current River Rating
Unavailable
Not enough local guidance to rate conditions.
Low confidence
Should I Go?
Not Enough Data
Timing Outlook
No reliable fishing window is available with the current data.
Why
- This river does not yet have enough local fishing guidance to assign a rating.
Cautions
- Water temperature is unavailable.
Blocking Factors
- Configured water observations are currently unavailable.
Current Readings
- Flow
- Not available
- Gage Height
- Not available
- Water Temperature
- Not available
- Latest current reading
- Not available
Monitoring temporarily unavailable. · USGS station 01029500 · Direct monitoring location
Readings from past 7 Days
Loading readings from the past 7 days…
Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
Loading advisory…
Weather Near Gauge
Current Weather
Clear
Temperature
44°F
Feels like
37°F
Wind
7 mph N
Wind gust
16 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 9:15 PM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Tue 10 PM
Clear
Temp 43°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Wed 2 AM
Clear
Temp 37°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Wed 6 AM
Clear
Temp 34°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Wed 10 AM
Clear
Temp 44°F
Chance 0%
Precip 0.00 in
Wind 4 mph
Wed 2 PM
Clear
Temp 52°F
Chance 0%
Precip 0.00 in
Wind 1 mph
Wed 6 PM
Clear
Temp 47°F
Chance 0%
Precip 0.00 in
Wind 2 mph
Four-Day Forecast
Tue, Oct 20
Overcast
High 59°F / Low 31°F
Chance 0%
Precip 0.00 in
Max gust 25 mph
Wed, Oct 21
Overcast
High 53°F / Low 33°F
Chance 0%
Precip 0.00 in
Max gust 14 mph
Thu, Oct 22
Overcast
High 51°F / Low 33°F
Chance 8%
Precip 0.00 in
Max gust 30 mph
Fri, Oct 23
Clear
High 47°F / Low 32°F
Chance 13%
Precip 0.00 in
Max gust 32 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
Loading historical flow…
Fishing Overview
Wild brook trout are in the East Branch Penobscot River at Grindstone, along with landlocked salmon.
Fishery Profile
Documented species you may encounter at East Branch Penobscot River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Target species
Brook Trout
Salvelinus fontinalis
- Expectation
- Primary
- Population
- Wild
- Native status
- native
- Confidence
- High confidence
Landlocked Salmon
Salmo salar
- Expectation
- Common
- Population
- Wild
- Native status
- native
- Confidence
- High confidence
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Natural flow
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
- Streamers
Official sources
Hatch Match
Loading hatch suggestions…
Location and Access
USGS monitoring location
Maine
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
Access, Parking, and Regulations
Loading access and regulations…