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New York | St. Lawrence County / DeKalb and Canton area

Grass RiverWoods Bridge Road to Route 47 below Harrison Creek

A planning-only 6.6-mile Grass River whitewater reach from the Woods Bridge Road access area to the Route 47 endpoint below Harrison Creek. American Whitewater rates it Class II–V+ and publishes a 400–4,000 cfs planning correlation using the West Branch Oswegatchie gauge. Riverfacts supplies the mapped endpoint anchors; both are access-area points requiring current field verification, and the proxy gauge cannot certify the Grass River’s local runnable line.

Route location

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Plan this route

Distance6.6 whitewater river miles
DifficultyHard
Typical timeA full daylight whitewater outing
ShuttleCar shuttle
Grass River at the USGS Chase Mills station in New York, used as same-river context for the Woods Bridge Road to Route 47 reach.
Route photoGrass River at Chase Mills; Woods Bridge–Route 47 route contextPhoto by U.S. Geological Survey

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 distance6.6 whitewater river milesWoods Bridge Road to Route 47 below Harrison Creek
DifficultyhardAmerican Whitewater rates this reach II–V+ and ties its character to flow. The route requires advanced moving-water judgment, feature-by-feature scouting, cold-water protection, wood awareness, and a planned exit; the proxy gauge is not a substitute for local observation.
ShuttleCar shuttleStage the downstream Route 47 vehicle only after confirming current legal parking, a safe water exit, and traffic conditions, then shuttle to Woods Bridge Road. Allow daylight for a local water check, scouting, wood inspection, access carries, and a failed-shuttle/extraction plan.
PermitsCheck posted rulesConfirm current New York boating/PFD and Clean.Drain.Dry rules, access and parking permission at both map anchors, private-bank boundaries, road/bridge safety, and any local notices before departure. No camping or general shoreline access is inferred from the route map.
CampingOptions nearbyNearby basecamp or lodging only. No on-route camping right is claimed from the mapped whitewater access or public-water status; arrange a separate legal campground, DEC site, or lodging and verify current operation. Do not camp at bridges, roadside shoulders, private banks, or the Route 47 landing.
SeasonMar-NovAmerican Whitewater describes a flow-dependent Class II–V+ Grass River reach. Favor a stable spring or post-rain window after checking the route-source proxy, local rainfall, wood, cold water, private-bank limits, and the full shuttle/rescue plan; rapid water changes can move the upper end of the difficulty beyond the stored rating.

Plan ahead

Tomorrow and the weekend

Forecasts can change. Check current conditions again before leaving.

TomorrowChecking

Waiting on forecast.

WeekendChecking

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Plan

Plan your trip

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

Route logistics

Access and shuttle

A planning-only 6.6-mile Grass River whitewater reach from the Woods Bridge Road access area to the Route 47 endpoint below Harrison Creek. American Whitewater rates it Class II–V+ and publishes a 400–4,000 cfs planning correlation using the West Branch Oswegatchie gauge. Riverfacts supplies the mapped endpoint anchors; both are access-area points requiring current field verification, and the proxy gauge cannot certify the Grass River’s local runnable line.

Access map

Skip map

Pulling access map tiles. Usually under 5 seconds.

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Start

Put-in

Woods Bridge Road Grass River access area
Open mapDirections to put-in

Riverfacts supplies the endpoint GPS anchors for the named route, but neither point is treated as a survey-grade ramp. Verify legal parking, carry, waterline, landing, signs, and current permission in the field.

Finish

Take-out

Route 47 below Harrison Creek Grass River access area
Open mapDirections to take-out

The route-source endpoint pair is adjacent to a broader Grass River inventory with multiple sections. Keep the Woods Bridge-to-Route 47 boundary distinct from the separate Downerville/Russell and Pyrites/Canton records.

Road shuttle

Driving shuttle routeShuttle in Apple MapsOpenStreetMap
Access notes and hazards

Access caveats

  • Riverfacts supplies the endpoint GPS anchors for the named route, but neither point is treated as a survey-grade ramp. Verify legal parking, carry, waterline, landing, signs, and current permission in the field.
  • The route-source endpoint pair is adjacent to a broader Grass River inventory with multiple sections. Keep the Woods Bridge-to-Route 47 boundary distinct from the separate Downerville/Russell and Pyrites/Canton records.
  • Do not use visible bridges, shoulders, private camps, fishing pull-offs, or downstream shorelines as alternate access or bailout points without current authorization and a separate safety review.

Watch for

  • USGS 04262500 unavailable, rapidly changing, or inconsistent with the local Grass River visual; recent rain, snowmelt, tributary response, and the proxy’s different watershed
  • Class II–V+ rapids, ledges, strainers, undercuts, shallow rock, bridge approaches, cold water, limited rescue margins, and feature-to-feature commitment
  • Woods Bridge Road parking/carry, Route 47 traffic and landing, private banks, Pyrites/Canton continuation pressure, daylight, and a failed shuttle or extraction plan

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

Recent trend

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Checking trend.

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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.

Grass River at the USGS Chase Mills station in New York, used as same-river context for the Woods Bridge Road to Route 47 reach.
Grass River at Chase Mills; Woods Bridge–Route 47 route contextPhoto by U.S. Geological Survey
USGS public domain; same-river context

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 moving-water corridorWoods Bridge Road to Route 47 below Harrison Creek; 6.6 miles; Class II–V+

    American Whitewater publishes the distinct reach, length, difficulty range, proxy gauge, and 400–4,000 cfs planning correlation.

    Source

  • Mapped endpoint anchorsWoods Bridge Road 44.46659, -75.1841 to Route 47 below Harrison Creek 44.5311, -75.1988

    Riverfacts maps the named endpoint pair. These are access-area anchors and require current legal landing, carry, parking, and private-boundary verification.

    Source

  • Proxy gauge and route flow contextUSGS 04262500, West Branch Oswegatchie River near Harrisville; 400–4,000 cfs planning correlation

    American Whitewater uses this different-watershed station as the route correlation. Local Grass River observation and feature scouting remain controlling.

    Source

  • Route-specific safetyFlow-dependent II–V+ whitewater with wood, ledge, bridge, cold-water, and limited-exit controls

    American Whitewater supplies the route rating and current condition context; no safety guarantee is inferred.

    Source

  • Camping postureNearby basecamp or lodging only

    No public on-route campsite is established by the route sources; arrange separate legal camping or lodging.

    Source

  • Approved route imageUSGS Grass River station photograph used as same-river context

    The image is clearly labeled as same-river context and does not depict the Woods Bridge or Route 47 access, current, wood, or runnable features.

    Source

  • Same-river proxy gaugeUSGS 04262500, West Branch Oswegatchie River near Harrisville, NY

    USGS 04262500 is the American Whitewater route-source proxy for the Grass reach, with a published 400–4,000 cfs correlation. It is not on the Grass River; use it only as broad regional watershed context with local rainfall, visible level, wood, feature, and rescue checks.

    Source

  • Safety and river conditionsCheck live gauge, recent rainfall, trend, debris, bridges, and access conditions before launch

    American Whitewater / Riverfacts Grass River Woods Bridge Road–Route 47 and its linked safety material warn that conditions change rapidly and require local inspection.

    Source

  • Image decisionApproved watershed/proxy-gauge context image used for route presentation

    The image is clearly labeled as watershed/proxy-gauge context and does not claim to depict this exact reach.

    Source

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 New York

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New York route guideBrowse every tracked New York route.St. Lawrence County / DeKalb and Canton areaJump to routes in this region.

More on Grass River

All 8
Clare Road / North Branch public access to Downerville State Forest confluence accessSt. Lawrence County / Clare and RussellHard · 4.7 planning river milesDeGrasse State Forest hand launch through the South Branch/main Grass River corridor to the Pyrites Route 21 kayak/canoe launchSt. Lawrence County / DeGrasse, Pyrites, and Grass River corridorHard · Approximately 17.5 planning miles from the DeGrasse hand launch through the South Branch/main Grass River corridor to the Pyrites Route 21 launchDownerville State Forest / North Branch confluence access to Russell Route 24 bridge accessSt. Lawrence County / RussellModerate · 2.7 moving-water river milesLampson Falls Waterway Access Site to Downerville State Forest / Grass River confluence accessSt. Lawrence County / Clare and RussellHard · 4.1 whitewater river miles

Nearby routes within 75 miles

East Branch Oswegatchie RiverFlat Rock / Fine area to South Edwards / Edwards public hand launches · about 11 straight-line mi awayHard · 15.4 American Whitewater miles for Flat Rock to Edwards; the recommended bridge-in-Fine to bridge-in-South-Edwards line and exact route mileage require field confirmationOswegatchie RiverVillage of Heuvelton Boat Launch to Lafayette Spring Street bridge, Ogdensburg · about 15 straight-line mi awayModerate · About 10 downstream river miles from the Heuvelton Boat Launch to the Ogdensburg Lafayette Spring Street bridgeRaquette RiverHelenbrooks Hole / Stowe Lane to Cold Brook Drive · about 15 straight-line mi awayModerate · 0.29 whitewater river milesLittle RiverYoungs Road Hand Launch to Streeter Lake Road Hand Launch · about 24 straight-line mi awayModerate · Nearly 7 river miles from the Youngs Road Hand Launch to the Streeter Lake Road Hand Launch

Quick answers

Grass River paddling FAQ

What water level is best for the Woods Bridge Road to Route 47 below Harrison Creek route on the Grass 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 Woods Bridge Road to Route 47 below Harrison Creek route on the Grass River start and end?

This route starts at Woods Bridge Road Grass River access area and ends at Route 47 below Harrison Creek Grass River access area, 6.6 whitewater river miles on the water.

Is the Woods Bridge Road to Route 47 below Harrison Creek route on the Grass River suitable for beginners?

This is listed as a hard 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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