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Grass River — Pyrites to Canton: River Level Today — Can You Paddle It?

Class I6 mi · ~3 hrGrass RiverNew York

Verdict · updated Aug 27, 6:00 AM UTC

Good to paddle

Levels are within the typical runnable range for this section.

Estimated range

305 cfs

4.6 ft gauge height

USGS gauge 04265432

Runnable 1502,500 cfs

305 cfs, within the runnable range of 150 to 2,500 cfs
01502,5002,970

What this means today

At 305 cfs the Grass River is inside the runnable range but only 155 cfs above the 150 cfs floor, so it is sitting at the shallow end of what this reach runs at. A dry few days would take it under.

Over the last 24 hours it has barely moved, 296 cfs to 305 cfs. Daily means over the past 6 days have run between 269 cfs and 376 cfs, 23% lower at the end of the week than the start.

Paddling Pyrites to Canton

Grass River at Pyrites to Canton is a 6-mile Class I run in New York — easygoing moving water with light riffles and nothing technical. Most paddlers put in at Pyrites access and take out at Canton, a trip that runs about 3 hours at a relaxed pace.

Whether it's worth the drive comes down to flow. This section generally paddles well at 150–2,500 cfs (a conservative estimate — see our methodology). Much below that and the Grass River gets low and bony, so you end up scraping gravel and walking the shallows; well above the top of the range it turns fast, cold and pushy, which is a more serious day than most casual boaters want. We read USGS gauge 04265432 about every 30 minutes and compare the live number to that window, so the verdict at the top of this page reflects conditions right now rather than a monthly average.

Flows here are usually most dependable May–September. Spring can run high after rain or snowmelt, and late summer often drops too low to float well — but the gauge always beats the calendar, so check today's reading before you go.

7-day flow trend

2,5001502,73502026-08-20Today
Daily mean flow (cfs), past 7 days. Shaded band = runnable range.

Section facts

Difficulty
Class I
Length
6 mi
Float time
~3 hr
Best months
May–September
Put-in
Pyrites access
Take-out
Canton

Reading USGS gauge 04265432 — GRASS RIVER AT CHASE MILLS NY · runnable range is an estimate (see methodology)

FAQ

What water level is good for paddling Grass River — Pyrites to Canton?
This section is generally runnable at 150–2,500 cfs (a conservative estimate — see our methodology). Below that it gets too low and bony; well above the top of the range it becomes pushy and then dangerous. We compare the live USGS reading to that range to produce today's verdict.
How do I check Grass River levels?
We read USGS gauge 04265432 — the same public data USGS publishes — about every 30 minutes and compare it to the runnable range for this reach. You can also view the raw gauge yourself at waterdata.usgs.gov.
Is Grass River — Pyrites to Canton good for beginners?
This section is rated Class I. At good levels it suits confident beginners and up, but it can have riffles or small rapids. Scout anything you can't see, and stay off it at high water.
When is the best time to paddle Grass River here?
Typically May–September, when flows are most reliable for this section. Spring can run high after rain or snowmelt; late summer can drop too low. Always check today's gauge reading rather than assuming.
How long does it take to float Grass River — Pyrites to Canton?
This reach is about 6 miles, roughly 3 hours at a relaxed pace. Higher water is faster; low water and headwinds are slower. Add time for stops.

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