Grinnell Falls
Montana · height not recorded · Glacier National Park · Last verified 2026-05-15
Right now
This Afternoon
30°F
Chance Light Snow
Tonight
19°F
Slight Chance Light Snow then Partly Cloudy
Today's daylight
Sunrise 5:51 AM · Sunset 9:11 PM · 15h 20m
Snapshot built 7m ago. Sources: 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 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.
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
Been there?
Marina and Theo verify pages one road trip at a time. If you've been to Grinnell 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).
Add a tip
Something we should know — best time, parking trick, that hidden viewpoint.
Share a photo
Have a CC-licensed image on Wikimedia or Flickr? Send the link.
Report a fix
Wrong height, closed trail, broken link — tell us what we got wrong.
We don't collect your email. Replies go directly to hello@fallspots.com.