Grinnell Falls
Montana · height not recorded · Glacier National Park · Last verified 2026-05-15
Flow at Grinnell Falls is 241 cfs today, around its seasonal average.
Right now
Streamflow
241 cfs
Swiftcurrent Creek at Many · 19m ago
Overnight
48°F
Mostly Clear
Friday
63°F
Sunny
Today's daylight
Sunrise 5:42 AM · Sunset 9:37 PM · 15h 55m
Other park alerts
- Many Glacier Trail Closures(Information)
- Two Medicine North Shore Trailhead Reroute(Information)
- Going-to-the-Sun Road is Open for 2026 Season(Information)
Snapshot built 10m ago. Sources: USGS · NWS TFX.
Grinnell Falls is a waterfall in Glacier County, Montana. 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.
Grinnell Falls sits in Glacier County, Montana. The falls are inside Glacier National Park, a US National Park. The base sits at roughly 5,671 feet of elevation. Drive time is about 19 minutes from St. Mary. A trail — Grinnell Glacier Trail — runs within 280 meters of the marked location. No public parking is recorded within 2 km, so a longer approach is likely. This is one of the more frequently visited falls in the state by our popularity model. Source records come from OpenStreetMap and USGS GNIS.
Grinnell Falls is a waterfall in Glacier National Park, Montana, US. Grinnell Falls have several major drops in its 960 feet (290 m) descent from Grinnell Glacier with the highest estimated at 280 ft (85 m). The falls are in the Many Glacier region of the park, between Mount Grinnell and Angel Wing.
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 05014500 · 3.8 mi away
Swiftcurrent Creek at Many Glacier MT
View live discharge data →
30-day streamflow
Below 30-day average↻ Same date last year: 175 cfs · 142% of last year — significantly wetter
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 | 22 | 13 | 4.5 | 22.6 |
| Feb | 21 | 10 | 4.5 | 22.8 |
| Mar | 30 | 16 | 3.8 | 21.2 |
| Apr | 37 | 22 | 3.2 | 20 |
| May | 47 | 32 | 4.7 | 13.4 |
| Jun | 57 | 39 | 4.6 | 5.8 |
| Jul | 70 | 50 | 1.2 | 0.4 |
| Aug | 68 | 48 | 2.8 | 1.4 |
| Sep | 59 | 42 | 2.5 | 4.4 |
| Oct | 43 | 29 | 3.6 | 13 |
| Nov | 27 | 18 | 5.5 | 22.4 |
| Dec | 23 | 14 | 4.9 | 23.2 |
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 |
|---|---|---|---|---|---|
| Grinnell Falls (this page) | — | — | — | N | — |
| Salamander Falls | 1 mi | — | — | N | — |
| Feather Plume Falls | 1 mi | — | — | N | — |
| Hidden Falls | 1 mi | — | — | N | — |
| Haystack Creek Falls | 2 mi | — | — | N | — |
| Morning Eagle Falls | 2 mi | — | — | N | — |
Questions visitors ask about Grinnell Falls
Answers built from our structured data. If a question isn't here, the fact is unverified — we'd rather omit than guess.
Is Grinnell Falls in a national or state park?
Yes — Grinnell Falls is inside Glacier National Park. See the park page for fees, hours, and current conditions.
Can I bring my dog to Grinnell Falls?
No — dogs are not allowed on trails here. Most National Park trails prohibit pets to protect wildlife. Service animals are an exception per ADA.
How far is Grinnell Falls from a major city?
Grinnell Falls is 13 miles from St. Mary (about 19 minutes' drive).
More waterfalls in Montana
Where it is
48.7627, -113.7207
Sources and live status
Where we got the data, and where to check current conditions before you drive.
Wikipedia
https://en.wikipedia.org/wiki/Grinnell_Falls
Wikidata (Q85764621)
https://www.wikidata.org/wiki/Q85764621
GeoNames (5655512)
https://www.geonames.org/5655512/
Last verified by Fallspots: 2026-05-15
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