About Big Falls
Big Falls is a named waterfall in Cascade County, Montana, located about 5.3 miles northeast of Malmstrom Air Force Base. The U.S. Geological Survey records it on the Morony Dam 7.5-minute topographic quadrangle at 47°34′12″ N, 111°07′23″ W (47.56996, -111.12302). Historical sources also record the names Great Falls of the Missouri, Great Falls, and Roar of Steam. Named features close by in the federal gazetteer include Box Elder Creek (stream, 1.5 mi). The nearest other waterfall in this directory is Crooked Falls, 4.1 miles to the southwest.
More Photos
122 visitor photos are available on the Google Maps listing.
Weather at Big Falls
Full NWS forecastForecast for the waterfall's exact location, not the nearest town. Mountain weather can change quickly.
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Source: National Weather Service.
Conditions at Big Falls
Sun and Daylight Today
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Times in Denver time. Canyons and steep valleys lose direct sun earlier.
Elevation
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At the mapped waterfall point, from the USGS 3D Elevation Program. Expect cooler temperatures than in nearby towns at lower elevation.
Nearest Stream Gauge
Checking for USGS gauges within about 8 miles...
Live discharge in cubic feet per second (ft³/s). The gauge may be on a different stream than the falls; use the trend as a rough guide to how much water is running in the area.
Map and Directions
The marker shows the USGS-recorded position of Big Falls. Trailheads and parking can be some distance from the falls themselves, so plan your route with an up-to-date trail map.
Visitor Ratings
Big Falls holds a 4.3 average from 30 Google reviews. Distribution by star rating:
Named Landmarks Nearby
These named features from the USGS Geographic Names Information System lie within two miles of Big Falls. Stream positions mark the stream's mouth as recorded by USGS.
- Box Elder Creek — stream, 1.5 mi
Before You Visit
- Water levels change quickly. Flow is usually strongest after rain and during snowmelt; see the best time to visit waterfalls.
- Stay back from the brink and off wet rock. Our waterfall safety guide covers the most common hazards.
- Check land ownership and access before you go. Some named falls sit on private property or in areas without a maintained trail.
- Download offline maps and save the coordinates 47.56996, -111.12302. Use our waterfall hike packing list.
Waterfalls Near Big Falls
Frequently Asked Questions
Where is Big Falls located?
Big Falls is in Cascade County, Montana, about 5.3 miles northeast of Malmstrom Air Force Base. Its coordinates are 47.56996, -111.12302 (47°34′12″ N, 111°07′23″ W).
What town is closest to Big Falls?
The closest town with 1,000 or more residents is Malmstrom Air Force Base, MT, about 5.3 miles away in a straight line. Driving distance is usually longer, so check the route before you go.
What waterfalls are near Big Falls?
The closest is Crooked Falls (4.1 mi southwest). Others within reach include Rainbow Falls (4.6 mi), Colter Falls (historical) (4.8 mi), and Black Eagle Falls (7.3 mi).
Which USGS topographic map shows Big Falls?
Big Falls appears on the USGS Morony Dam 7.5-minute quadrangle. You can view it in The National Map viewer or download the US Topo sheet for offline navigation.