Across the official rosters, 36 Montana institutions take part, clustered in Billings, Missoula, Bozeman: 8 NARM, 6 ASTC Passport Program, 2 AZA Reciprocal Admissions Program, 1 ACM, 13 Museums for All, 6 Time Travelers. Put your ZIP in the lookup and they come back sorted by distance, rules computed. Rosters pulled 2026-09-05.
| Program | Montana rows | Share | Biggest cluster |
|---|---|---|---|
| NARM | 8 | 22% | Great Falls (2) |
| ASTC Passport Program | 6 | 17% | Bozeman (2) |
| AZA Reciprocal Admissions Program | 2 | 6% | Billings (1) |
| ACM | 1 | 3% | Billings (1) |
| Museums for All | 13 | 36% | Billings (4) |
| Time Travelers | 6 | 17% | Helena (1) |
With 6 ASTC centers in Montana, there are 15 center-to-center pairs; 6 are closer than 90 miles, and for those the passport is worthless. Nearest neighbors are Montana Natural History Center and spectrUM Discovery Area (5 mi); the widest gap, 284 mi, separates Montana Natural History Center from Wise Wonders Science and Discovery Museum — far enough to qualify. It's measured twice — from your home science center and from your home address — in straight-line miles. How the ASTC rule works.
5 Montana institutions appear on two or more rosters — the ones where almost any card in your wallet works: ExplorationWorks (ASTC Passport Program + Museums for All); Montana Natural History Center (ASTC Passport Program + Museums for All); spectrUM Discovery Area (ASTC Passport Program + Museums for All); The World Museum of Mining (Time Travelers + Museums for All); Yellowstone Art Museum (NARM + Museums for All).
| Institution | City |
|---|---|
| Missoula Art Museum | Missoula |
| The Historical Museum at Fort Missoula | Missoula |
| Yellowstone Art Museum | Billings |
| Bozeman Art Museum | Bozeman |
| Holter Museum of Art 406-442-6400 Kalispell, Glacier Art Museum | Helena |
| C.M. Russell Museum | Great Falls |
| Paris Gibson Square Museum of Art | Great Falls |
| Lewistown Art Center | Lewistown |
| Institution | City |
|---|---|
| Montana Natural History Center | Missoula |
| spectrUM Discovery Area | Missoula |
| Wise Wonders Science and Discovery Museum | Billings |
| American Computer & Robotics Museum | Bozeman |
| Museum of the Rockies | Bozeman |
| ExplorationWorks | Helena |
| Institution | City |
|---|---|
| ZooMontana | Billings |
| Grizzly & Wolf Discovery Center | West Yellowstone |
| Institution | City |
|---|---|
| Wise Wonders Science & Discovery Center | Billings |
| Institution | City |
|---|---|
| Gallatin History Museum | Bozeman |
| Montana Historical Society | Helena |
| Granite County Museum and Cultural Center, Inc | Philipsburg |
| MonDak Heritage Center | Sidney |
| The World Museum of Mining | Butte |
| Travelers' Rest Preservation & Heritage Association | Lolo |
No membership involved: a SNAP EBT card and photo ID get up to four people into these 13 Montana participants for free to $5, any normal day: Families First Children's Museum · Missoula Butterfly House and Insectarium · Montana Natural History Center · Moss Mansion Museum · spectrUM Discovery Area · Western Heritage Center · Wise Wonders Science & Discovery Museum · Yellowstone Art Museum and 5 more. Program rules.
And for the outdoors, see whether a Montana library card borrows a state park pass.
↥ Check another membership → Browse all reciprocity guides →
8 Montana institutions are on the current NARM roster, including Missoula Art Museum, The Historical Museum at Fort Missoula, Yellowstone Art Museum, Bozeman Art Museum. The fine print: NARM-level membership required, and individual museums may exclude special events or members living within 15 miles.
Yes — everywhere. With 6 ASTC centers in Montana, there are 15 center-to-center pairs; 6 are closer than 90 miles, and for those the passport is worthless. Nearest neighbors are Montana Natural History Center and spectrUM Discovery Area (5 mi); the widest gap, 284 mi, separates Montana Natural History Center from Wise Wonders Science and Discovery Museum — far enough to qualify.
13 Montana institutions take part in Museums for All: EBT card plus ID, up to four people, free to $5 apiece, no membership.