See all 9 routes on Middle Branch Grass River
New York | St. Lawrence County / Clare
Middle Branch Grass River
Middle Branch Hand Launch to Lampson Falls Waterway Access Site
Route planning details, access notes, and local verification guidance.
Route location
Loading the route coverage map.

Need to know
Why this call
Safety
Route safety
CautionThis route has hazards or access considerations that require extra verification.
Safety details
Wear a properly fitted PFD and dress for cold water even during warm weather. Carry communication, first aid, spare paddle, repair items, and enough daylight for both carries and a conservative turnaround.
- The Middle Branch is described as flatwater only within the bounded reach. Do not continue toward Lampson Falls, the falls, or the more challenging water below them unless separately scouted and equipped for that route; the take-out boundary is mandatory.
- Use USGS 04265432 only as broad same-river trend context. Local rainfall, tributary inflow, wind, water temperature, low-water scraping, strainers, and changing channel conditions control the day-of decision.
- Use only the current DEC access areas and marked carry routes. Do not improvise a shoreline landing, camp, or road access through private, leased, gated, or posted property.
Conditions
Gauge history and hourly forecast
Use the gauge context and hourly forecast to verify local conditions before launching.
Gauge detail
Gauge history & hourly forecastDetailed view
Gauge note
Proxy gauge: Grass River at Chase Mills, NY. Regional signal only; verify local water.
Gauge context
This route uses Grass River at Chase Mills, NY as a proxy gauge. It is a regional signal, not a measurement of this reach. Verify local water and hazards before launching.
Gauge
Recent trend
Checking preferred range.
Checking trend.
Gauge source
--Checking timestampMN DNR provides the current paddling level here, but not chart-ready recent samples.
Weather
Hourly forecast
Checking weather.
Loading today's forecast.
Next 8 hours
Short-route forecast
Checking the next several hours.
Route overview
Quick facts and what's next
Distance, difficulty, shuttle basics, and the near-term outlook before you commit to the drive.
Quick facts
Plan ahead
Upcoming outlook
These are early planning reads. Re-check live conditions before you commit to the drive.
Waiting on forecast.
Waiting on forecast.
Plan
Plan your trip
Launch points, shuttle details, distance, and access notes.
Route logistics
Access and shuttle
A moderate planning-only Middle Branch Grass River flatwater reach between two current NYSDEC access anchors. NYSDEC describes a roughly four-mile flatwater section between the Middle Branch Hand Launch and the rapids/falls near Lampson Falls, and separately identifies a 300-foot carry at the upstream hand launch and a 0.4-mile carry from the Lampson Falls trailhead to the waterway access. The route ends at the Lampson Falls boundary and does not claim a runnable passage through the falls or the more challenging water below them.
Prepare this trip
Take the plan with you
Download the canonical route, add a calendar hold, or send a simple float plan to your group.
Put-in
Middle Branch Hand LaunchBoth stored endpoints follow current NYSDEC Grass River Complex access-area coordinates. The Middle Branch point includes a documented 300-foot carry, and the Lampson Falls point is a trailhead anchor with a documented 0.4-mile carry; neither coordinate is presented as a surveyed dock or exact waterline position.
Take-out
Lampson Falls Trailhead / Waterway Access SiteThe route uses the documented flatwater reach and ends at the Lampson Falls access boundary. It intentionally excludes Lampson Falls and the more challenging downstream water, which require separate hazard, portage, and take-out verification.
Plan this segment
Pulling access map tiles. Usually under 5 seconds.
Access caveats and watch for
Access caveats
- Both stored endpoints follow current NYSDEC Grass River Complex access-area coordinates. The Middle Branch point includes a documented 300-foot carry, and the Lampson Falls point is a trailhead anchor with a documented 0.4-mile carry; neither coordinate is presented as a surveyed dock or exact waterline position.
- The route uses the documented flatwater reach and ends at the Lampson Falls access boundary. It intentionally excludes Lampson Falls and the more challenging downstream water, which require separate hazard, portage, and take-out verification.
- The four-mile distance is an approximate planning value from the DEC description, not a surveyed trace. Carries, wind, scouting, and the exact waterline can materially increase time and distance.
- Designated campsites, at-large camping, parking, carries, and access rights are governed by current DEC rules and posted signs. Do not infer a landing right from a river-visible shoreline.
Watch for
- USGS 04265432 unavailable, rapidly changing, or inconsistent with local Middle Branch conditions
- spring rises, late-summer low water, cold water, wind, strainers, shallow gravel, remote rescue, and daylight lost to the carries
- Middle Branch parking and 300-foot carry, Lampson Falls parking and 0.4-mile carry, exact waterway landing, posted state-land rules, and the mandatory Lampson Falls take-out boundary
Route gallery
See this route on the water
Photos help show what the access looks like and what the route actually feels like on the water.
No approved route photos yet
Start the gallery with shots of the access, river character, or any detail that helps paddlers know what this run actually looks like.
Score & sources
Data and sources
See the gauge, weather, and source notes behind today's call.
Why this scoreToday's evidence strength is checking
Evidence strength mostly comes down to three things: how direct the active gauge is, how clear the range is, and how fresh the data is.
- Checking evidence-strength notes.
- Checking evidence cautions.
Data behind the scoreGauge, thresholds, and timing
These are the live readings and threshold notes behind today's score.
| Gauge site | Grass River at Chase Mills, NY |
| Gauge height | Checking |
| Discharge | Checking |
| 24h trend | Checking |
| 24h change | Checking |
| Current band | Checking |
| Rain last 24h | Checking |
| Rain last 72h | Checking |
| Air temp | Checking |
| Water temp | Checking |
| Wind | Checking |
| Gusts | Checking |
| Rain timing | Checking |
| Ideal range | Needs paddler reports |
| Known low-water floor | Not calibrated yet |
| High threshold | Not calibrated yet |
| Evidence strength behind the range | Official and local sources |
| Gauge observed | Checking |
| Paddle Today updated | Checking |
| Main source behind this score | No numeric go/no-go threshold published; NYSDEC describes about four miles of Middle Branch flatwater between the Middle Branch access and the rapids/falls boundary, so use the live downstream same-river proxy only as broad context plus local visual inspection |
| Gauge source | Checking |
| Weather source | Checking |
| Rainfall source | Checking |
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.
- Current public endpoint chainMiddle Branch Hand Launch and Lampson Falls Trailhead / Waterway Access Site
NYSDEC Grass River Complex lists both access areas, the 300-foot upstream carry, and the 0.4-mile Lampson Falls carry.
- Flatwater reach boundaryAbout four miles of Middle Branch flatwater between the access and the rapids/falls boundary
NYSDEC describes the Middle Branch flatwater opportunity and separately identifies more challenging water below Lampson Falls; this route stops at the falls access.
- Camping postureDesignated primitive tent sites in the Lampson Falls parcel and wider Grass River Complex
DEC documents designated sites and state-land camping rules, but no endpoint campsite is substituted for the access anchors.
- Proxy live gaugeUSGS 04265432 Grass River at Chase Mills
The station is live and same-river but downstream; use it only as broad trend context and make local visual conditions controlling.
- Route imageUSGS Grass River at Chase Mills photograph used as clearly labeled same-river proxy context
The presentation image is downstream same-river context and does not claim to depict the Middle Branch flatwater or either carry.
- Same-river proxy gaugeUSGS 04265432, Grass River at Chase Mills, NY
USGS 04265432 at Chase Mills is a live downstream Grass River proxy with current discharge and gage height, but it is materially downstream of the Middle Branch section. Tributary inflow, rainfall, temperature, wood, wind, and local channel shape can differ substantially; no numeric threshold is asserted.
- Safety and river conditionsCheck live gauge, recent rainfall, trend, debris, bridges, and access conditions before launch
NYSDEC Grass River Complex and its linked safety material warn that conditions change rapidly and require local inspection.
- 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.
Verify it yourselfCheck the source links
Use these links to double-check the gauge, route details, and access notes before you head out.
- NYSDEC Grass River Complex route record
- NYSDEC Grass River Complex access and paddling information
- USGS 04265432 Grass River at Chase Mills downstream proxy conditions
- NYSDEC Grass River Complex paddling and outdoor-safety guidance
- USGS 04265432 monitoring location
- USGS 04265432 current conditions
- Middle Branch Grass River context image
Paddler reports
Recent notes from paddlers
A few quick notes from people who were on this route recently.
Reports
Paddler reports
See recent photos and notes from people on the route.
More level reports needed
Only a low-water floor is known.
We can tell when this route is likely too low, but we do not yet have enough reports to define a best range. If you paddled it recently, send a condition report with how the level felt.
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More routes to check next
Compare another stretch on this river, or jump to nearby options before you pick a plan.
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Quick answers
Middle Branch Grass River paddling FAQ
What water level is good for paddling Middle Branch Grass River?
Paddle Today watches Grass River at Chase Mills, NY and uses Not calibrated yet as the conservative low-water floor for this route. The ideal range still needs more paddler reports.
Where does this Middle Branch Grass River route start and end?
This route starts at Middle Branch Hand Launch and ends at Lampson Falls Trailhead / Waterway Access Site, about About 4 planning river miles from Middle Branch Hand Launch to the Lampson Falls access boundary on the water.
Is this Middle Branch Grass River route good for beginners?
This is listed as a moderate route. Expect more planning than an easy float, and use the live score, route notes, and source links before committing.
Flag a change
See something outdated?
Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.

