Details | Map (may be slow)
| S p o n s o r e d ? | Chart | Preview | Light Pollution | Comments/Links | |
|---|---|---|---|---|---|
 | Beartooth Mountain Observatory |  | A private observatory near Nye. | ||
| Billings |  | Home of the Yellowstone Valley Astronomy Association. | ||
| Butte |  | ||||
| Choteau |  | |||
| Cooke City |  | ||||
| DreamCatcher Observatory |  | A private observatory near Helena. | |||
| Great Falls |  | Home of the Central Montana Astronomy Society. | |||
| Helena |  | Home of the Astronomical Institute of the Rockies. | |||
| Jefferson Valley Observatory |  | A private observatory. | |||
| Kalispell |  | Home of the Big Sky Astronomy Club. | |||
| Missoula |  | Home of the Western Montana Astronomical Association. | |||
| Red Shale Campground |  | A campground in the Ashland Ranger District of Custer National Forest. Near Willow Crossing. | |||
| Rock Ridge Observatory |  | A private observatory north of Columbus(MT). | |||
| Sidney |  | ||||
| Southwest Montana Astronomical Society |  | Astronomy club located in Bozeman. | |||
| Townsend |  | ||||
| White Pine Area |  | Near Trout Creek. | |||
| Wilsall |  | ||||
| Wolf Point |  |