Around here
Around Grandy Brook
Nature1
Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada
About this river
Grandy Brook is a 27.3 mile stream. Streamflow is measured at the Water Survey of Canada gauge Grandy Brook below Top Pond Brook (site 02ZC002). Reach geometry comes from Natural Resources Canada's National Hydro Network.
Typical flow by month
1982 to 2026
Grandy Brook typically runs highest in May, at a median 727 cfs, and lowest in February, at 109 cfs. The highest flow on record for any single day is 13,737 cfs, in 1985.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 171 | 94 to 282 |
| February | 109 | 65 to 228 |
| March | 132 | 70 to 291 |
| April | 602 | 336 to 1,158 |
| May | 727 | 373 to 1,263 |
| June | 161 | 104 to 289 |
| July | 131 | 75 to 271 |
| August | 123 | 64 to 267 |
| September | 202 | 118 to 446 |
| October | 263 | 163 to 593 |
| November | 370 | 221 to 746 |
| December | 238 | 147 to 431 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 44 years of record. Statistics published by the US Geological Survey for Grandy Brook below Top Pond Brook (site 02ZC002). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Grandy Brook on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Grandy Brook's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.






