45.0579600, -68.6561100

Greenbush Boat Ramp

Fee not yet verified Status not yet verified Public access Updated Oct 25, 2026
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Greenbush Boat Ramp is a public launch on Penobscot River in Penobscot County, Maine . We currently track 9 public launch sites on this waterbody.

The nearest community is Argyle, about 0.8 miles away. The closest larger city is Portland, approximately 125.0 miles away. The site lies within the Penobscot River at Orson Island watershed, as defined by the EPA, with its latest assessment summarized below.

Sourced from Maine Department of Agriculture, Conservation and Forestry . See the freshness details in the sidebar.

Boat ramps on Penobscot River

We currently track 9 public boat ramps on Penobscot River , including this one. The other public launch sites on this waterbody are listed below, starting with the closest.

Nearby boat ramps in Penobscot County

We currently track 35 public boat ramps in Penobscot County. The closest ramps are listed below, along with the waterbody each one provides access to.

Frequently asked questions

We haven't confirmed the current launch fee with the managing agency yet - check the fee badge at the top of this page, which updates as soon as we do.

We don't yet have a confirmed parking count for this location from the managing agency.

This ramp's access type isn't specifically flagged for hand-launched craft, but a trailer ramp can generally be used to launch a kayak or canoe by hand as well.

Greenbush Boat Ramp provides access to Penobscot River, one of 9 public launch sites we track on it.

This listing is sourced from Maine Department of Agriculture, Conservation and Forestry records.

This listing was last checked against the source on July 11, 2026. The page content itself was last updated on October 25, 2026.

Quick facts

County
Penobscot County, Maine
Nearby places
Argyle (0.8 mi)
Greenbush (1.6 mi)
Alton (4.0 mi)
Coordinates
45.0579600, -68.6561100 Gaia
Waterbody
Penobscot River
Access type
Public

Current weather

46°F Clear

Wind S 8 mph

Full NWS forecast · via National Weather Service
Last updated Oct 26, 2026 at 1:38 AM

Water quality

0%
Good
29%
Impaired
0%
Unassessed

Full EPA report · via EPA ATTAINS
Last updated Jul 12, 2026

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Data freshness

How current this listing is, and how it's been maintained.

Last checked against source
July 11, 2026
Page content updated
October 25, 2026
Listed on Boat Ramp US since
October 25, 2026