Great Falls Portage
Added to the National Register in 1966, and a National Historic Landmark.
The record
| Property type | Historic district |
| Address | SE of Great Falls at jct. of U.S. 87, 89, and 91, Great Falls, MT |
| County | Cascade County |
| Listed | Oct 15, 1966 |
| Listed for | Exploration and settlement |
| Level of significance | National |
| Reference number | 66000429 |
| Designations | National Historic Landmark, America's Most Endangered Historic Places |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Visiting
| Address | SE of Great Falls at jct. of U.S. 87, 89, and 91, Great Falls, MT |
| Coordinates | 47.5311° N, 111.1514° W · Directions ↗ |
| Also in Great Falls | 28 listed places in Great Falls → |
Explore
Map
Nearby in Cascade County
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Local history books for Great Falls
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- Ursuline Sisters of Great FallsSister Francis Xavier Porter O.s.u and Kristi D. Scott, 2012Find at Bookshop.org
Montana travel guides
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
When was Great Falls Portage listed on the National Register?
Oct 15, 1966. It is also a National Historic Landmark, the higher of the two designations.
Source: National Park Service
Where is Great Falls Portage?
SE of Great Falls at jct. of U.S. 87, 89, and 91, Great Falls, Cascade County, Montana.
Source: National Park Service
Where is the nomination form for Great Falls Portage?
The National Archives holds the nomination form, the document that made the case for listing.
Source: National Archives
Is there a wildfire near Great Falls Portage right now?
1 active incident within 50 miles as of 2026-10-17, nearest Monarch Unit 141 Piles Rx, 34 miles away.
Source: Map
Sources
Name, location, type and dates come from the National Register office's spreadsheet of listed properties, because the Park Service's spatial data does not carry this listing. The map point comes from Wikidata. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 66000429. Nothing here is transcribed by hand. The nomination form and photographs ↗ at NPGallery are the original nomination as filed with the National Park Service, and the form is often the best description of the place.