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Maine | North-central Maine / Penobscot County

Penobscot RiverMedway public access to Greenbush public access

About 54.5 river miles from the Medway launch (river mile 0) to Greenbush (mile 54.5). Plan this as a staged corridor, not a day trip: the trail directs paddlers to take out at Merrill Brook above West Enfield Dam and portage before relaunching at Howland. Its access guide lists designated camps along the route.

Route location

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Plan this route

DistanceAbout 54.5 river miles
DifficultyModerate
Typical timeMulti-day corridor
ShuttleCar shuttle
A rocky Maine freshwater shoreline framed by autumn forest.
Route photoMaine DACF open-water and shoreline context; exact reach not claimedPhoto by Maine Department of Agriculture, Conservation and Forestry

Need to know

Why this call
This route is documented for planning, but does not receive a Paddle Today score.
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Route overview

Trip details

Access rules, camping, seasonal conditions and trip length.

Distance, difficulty, rules and camping
On-water distanceAbout 54.5 river milesMedway public access to Greenbush public access
DifficultymoderateMoving-water or open-water route requiring a complete float plan, conservative turnaround, and confirmed launch and take-out conditions.
ShuttleCar shuttleStage the take-out vehicle first, then return to the put-in. Confirm rural road conditions, parking, and vehicle security before launch.
PermitsCheck posted rulesFollow Maine boating, PFD, AIS, parking, land-management, and posted access rules; confirm any current local or utility restrictions.
CampingOptions nearbyThe trail lists designated campsites along this corridor. Confirm current permission, availability, fees, facilities, and access rules; the Merrill Brook-to-Howland dam transfer requires a separate land portage/vehicle plan.
SeasonMay-OctLate spring through early fall is the practical window; cold water, storms, changing flow, and shoulder-season daylight remain material.

Plan ahead

Tomorrow and the weekend

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Plan

Plan your trip

Launch points, shuttle details, distance, and access notes.

Route logistics

Access and shuttle

About 54.5 river miles from the Medway launch (river mile 0) to Greenbush (mile 54.5). Plan this as a staged corridor, not a day trip: the trail directs paddlers to take out at Merrill Brook above West Enfield Dam and portage before relaunching at Howland. Its access guide lists designated camps along the route.

Access map

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Start

Put-in

Medway Boat Launch
Open mapDirections to put-in

The endpoints are named in Maine DACF access records, but the record does not guarantee an open gate, exact carry path, parking, or shoreline condition.

Finish

Take-out

Greenbush Boat Launch
Open mapDirections to take-out

Do not use private frontage, bridge approaches, or industrial shoreline as an unplanned landing.

Road shuttle

Driving shuttle routeShuttle in Apple MapsOpenStreetMap
Access notes and hazards

Access caveats

  • The endpoints are named in Maine DACF access records, but the record does not guarantee an open gate, exact carry path, parking, or shoreline condition.
  • Do not use private frontage, bridge approaches, or industrial shoreline as an unplanned landing.

Watch for

  • mandatory take-out above West Enfield Dam at Merrill Brook and a planned transfer to Howland
  • multi-day daylight, campsite availability, and rural shuttle logistics
  • wood, shallow sections, weather, and changing access notices

Plan this paddle

Choose your trip times

No account needed. Check the selected access points above, then choose both dates and times. For an overnight paddle, set take-out to the following date.

Trip schedule

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Conditions

Water levels, gauge history, and hourly forecast

Check the forecast and local water levels before launching.

Gauge detail

Water-level history and forecastDetailed view

Gauge

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Weather

Hourly forecast

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Next 8 hours

Short-route forecast

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Route gallery

Photos

Check each caption: some photos show the surrounding area rather than this exact trip.

A Maine stream corridor bordered by forest.
Maine stream context; exact route not claimedPhoto by Scott Craig / U.S. Fish and Wildlife Service
U.S. Fish and Wildlife Service image; public domain; exact route not claimed

Sources

Data and sources

Read the access and hazard notes and check the linked guides. We do not issue a daily score for this trip.

NotesWhat to know before you go

These notes cover the access details, route quirks, and source caveats most likely to matter once you get there.

  • Named route and endpointsMedway public access to Greenbush public access; about 54.5 miles

    The Penobscot River Paddling Trail access table places Medway at river mile 0 and Greenbush at mile 54.5. The trail’s one-day trips identify Merrill Brook as the take-out above West Enfield Dam and Howland as the downstream relaunch; the listed mileage is river-corridor distance, not a continuous paddle track. USGS 01034500 is downstream proxy context only.

    Source

  • Live gauge postureUSGS 01034500, Penobscot River at West Enfield, ME

    Proxy station context: check which river and reach the station measures. Local tributaries, releases, ice effects, and reach-specific hydraulics can differ materially.

    Source

  • Access controlsNamed public, state, municipal, or managed access only

    Maine launch records provide the access inventory; exact carry paths, parking, fees, closures, and shoreline condition must be rechecked before launch.

    Source

  • Camping classificationon_route_campsite

    The trail lists designated campsites along this corridor. Confirm current permission, availability, fees, facilities, and access rules; the Merrill Brook-to-Howland dam transfer requires a separate land portage/vehicle plan.

    Source

  • Safety postureReviewed planning route

    Wear a properly fitted PFD continuously, file a float plan, and carry communication and rescue equipment appropriate to the remoteness of the reach. Check the USGS trend, weather, water temperature, debris, ice effects, and same-day access notices. A favorable gauge number never overrides visual conditions.

  • Overlap decisionDistinct access-to-access itinerary retained

    The endpoint pair, trip length, or operational setting is materially different from the other Maine routes in this batch.

Verify it yourselfCheck the source links

Use these links to double-check the gauge, route details, and access notes before you head out.

Reports

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Keep exploring

More routes to check next

Compare another stretch on this river, or explore different rivers within 75 straight-line miles.

More in Maine

All 84 routes
Maine route guideBrowse every tracked Maine route.North-central Maine / Penobscot CountyJump to routes in this region.

More on Penobscot River

All 17
Bangor landing facility to Hampden public accessLower Penobscot Valley / Penobscot CountyModerate · About 9 river milesBangor landing facility to Verona public accessLower Penobscot Valley / Penobscot and Hancock CountiesModerate · About 17 river milesBrewer municipal public access to Bangor landing facilityGreater Bangor / Penobscot CountyModerate · About 5 river milesEddington north public access to Orrington public accessLower Penobscot Valley / Penobscot and Hancock CountiesModerate · About 11 river miles

Nearby routes within 75 miles

Piscataquis RiverMedford public access to Howland Piscataquis access · about 28 straight-line mi awayModerate · About 18 river milesWest Branch Penobscot RiverLower West Branch: T3 R11 WELS to T2 R10 WELS · about 34 straight-line mi awayHard · About 12 river milesChesuncook LakeT3 R12 WELS launch loop · about 38 straight-line mi awayModerate · About 14 river milesSebec LakeDover-Foxcroft lake access to Sebec public access · about 42 straight-line mi awayModerate · About 12 river miles

Quick answers

Penobscot River paddling FAQ

What water level is best for the Medway public access to Greenbush public access route on the Penobscot River?

This planning route has no live Paddle Today score. Review the linked water-level sources, current access notices and route-specific hazards before travel.

Where does the Medway public access to Greenbush public access route on the Penobscot River start and end?

This route starts at Medway Boat Launch and ends at Greenbush Boat Launch, about 54.5 river miles on the water.

Is the Medway public access to Greenbush public access route on the Penobscot River suitable for beginners?

This is listed as a moderate route. Review the difficulty notes, hazards and current access conditions against your group's skills. No live score assesses this trip.

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