Buttermilk Falls
New Jersey · height not recorded · Last verified 2026-05-15
Flow at Buttermilk Falls is 178 cfs today, around its seasonal average. September averages 4.5" of precipitation here — expect high flow.
Right now
Streamflow
178 cfs
Raritan River below Calco · 48m ago
Today
87°F
Partly Sunny
Tonight
65°F
Mostly Cloudy then Chance Rain Showers
Today's daylight
Sunrise 6:33 AM · Sunset 7:17 PM · 12h 43m
Snapshot built 17m ago. Sources: USGS · NWS PHI.

Buttermilk Falls is a waterfall in New Jersey. Height has not been officially recorded. Access details and conditions have not yet been verified in person by Fallspots — the data on this page comes from OpenStreetMap and USGS GNIS.
Buttermilk Falls is in New Jersey. It drops along Middle Brook. The base sits at roughly 187 feet of elevation. Drive time is about 2 minutes from Martinsville. OpenStreetMap shows a trail within 30 meters of the marked location, though the name isn't recorded. This is one of the more frequently visited falls in the state by our popularity model. Source records come from OpenStreetMap.
Middle Brook is a tributary of the Raritan River in Somerset County, New Jersey. The stream can be referred to as Rha-weigh-weiros, a Native American name meaning "running from a deep hole", on early maps of the area.
Is the water flowing right now?
Most waterfall sites don't tell you this. The waterfall itself is almost never gauged, but a USGS streamgage in the same watershed can tell you whether snowmelt has started, peaked, or run dry.
USGS gage 01403060 · 2.4 mi away
Raritan River below Calco Dam at Bound Brook NJ
View live discharge data →
30-day streamflow
Below 30-day average↻ Same date last year: 281 cfs · 66% of last year — significantly drier
When to go (from the climate data, not our opinion)
Monthly averages from Open-Meteo's reanalysis dataset (2020–2024). Highlighted months are when we think the waterfall is at its best — but the numbers are the numbers regardless.
| Month | High °F | Low °F | Precip (in) | Snow days |
|---|---|---|---|---|
| Jan | 42 | 28 | 3.9 | 6.4 |
| Feb | 45 | 27 | 3.4 | 6 |
| Mar | 53 | 35 | 4.4 | 2.6 |
| Apr | 62 | 42 | 4.7 | 0 |
| May | 72 | 51 | 3.5 | 0.2 |
| Jun | 83 | 62 | 3.5 | 0 |
| Jul | 89 | 69 | 4.5 | 0 |
| Aug | 85 | 67 | 4.8 | 0 |
| Sep | 77 | 59 | 4.5 | 0 |
| Oct | 67 | 50 | 4.9 | 0 |
| Nov | 56 | 38 | 3.2 | 0.8 |
| Dec | 45 | 31 | 4.3 | 3.6 |
Source: Open-Meteo Historical Weather API · ERA5 reanalysis 2020–2024.
Compare to nearby falls
If this one isn't the right fit, here's how it stacks up against the closest documented falls. Every column is filterable on the site — not buried in 13,000 reviews.
| Waterfall | Distance | Height | Trail | Dogs | Fee |
|---|---|---|---|---|---|
| Buttermilk Falls (this page) | — | — | — | — | — |
| Seele | 10 mi | — | — | — | — |
| Pottersville Falls | 13 mi | — | — | — | — |
| Buttermilk Falls | 15 mi | — | — | — | — |
| Maple Falls | 17 mi | — | — | — | — |
| Hemlock Falls | 18 mi | — | — | — | — |
Questions visitors ask about Buttermilk Falls
Answers built from our structured data. If a question isn't here, the fact is unverified — we'd rather omit than guess.
How far is Buttermilk Falls from a major city?
Buttermilk Falls is 2 miles from Martinsville (about 2 minutes' drive).
More waterfalls in New Jersey
Where it is
40.5858, -74.5574
Sources and live status
Where we got the data, and where to check current conditions before you drive.
Wikipedia
https://en.wikipedia.org/wiki/Middle_Brook_(Raritan_River_tributary)
Wikidata (Q116982107)
https://www.wikidata.org/wiki/Q116982107
Last verified by Fallspots: 2026-05-15
Been there?
Marina and Theo verify pages one road trip at a time. If you've been to Buttermilk Falls recently, your local knowledge improves the page for everyone. Pick the kind of contribution that fits — every email lands in our inbox and gets read (and credited when we publish).
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