Record
About Comet
Comet is a ghost town located approximately twenty miles (32 kilometers) south-southwest of Helena, Montana, United States. It is reached by following High Ore Road north from Interstate 15.
This is a site record: what public sources say about Comet, gathered in one place. We haven't written a full guide yet, so history, current access and photos are still to come. Treat the status as unknown until a guide confirms it.
Map
Where Comet is

Historic maps
13 historic USGS maps cover Comet
Topographic sheets from the USGS Historical Topographic Map Collection (public domain), oldest first. Older sheets often show the camp, mines and roads while the place was alive. The downloads are large map scans; USGS topoView shows them in the browser.
- 1889 Helena sheet, 1:250,000 · GeoTIFF download
- 1893 Helena sheet, 1:250,000 · GeoTIFF download
- 1899 Boulder sheet, 1:125,000 · GeoTIFF download
- 1899 Helena sheet, 1:250,000 · GeoTIFF download
- 1903 Helena sheet, 1:250,000 · GeoTIFF download
- 1947 Butte sheet, 1:250,000 · GeoTIFF download
- 1950 Jefferson City sheet, 1:62,500 · GeoTIFF download
- 1958 Butte sheet, 1:250,000 · GeoTIFF download
- 1960 Butte sheet, 1:250,000 · GeoTIFF download
- 1962 Butte sheet, 1:250,000 · GeoTIFF download
- 1985 Mount Thompson sheet, 1:24,000 · GeoTIFF download
- 1994 Butte North sheet, 1:100,000 · GeoTIFF download
- 1996 Mount Thompson sheet, 1:24,000 · GeoTIFF download
Directions
Getting there
Before you go
- Many ghost town sites are on private land, active mining claims or tribal land. Check land status and ask permission.
- Roads to old townsites are often unmaintained dirt. Map apps may route over closed or impassable tracks.
- Removing artifacts from public land is illegal under federal and most state laws.
Nearby
Other sites near Comet
Straight-line distance to other mapped sites in our Montana index.
- Wickes4.2 mi NE · Jefferson
- Corbin7.1 mi NE · Jefferson
- Elkhorn11.0 mi E · Jefferson
- Rimini12.8 mi N · Lewis and Clark
- Louisville24.9 mi NE · Jefferson
- Marysville31.0 mi N · Lewis and Clark
- Silver Bow31.9 mi SW · Silver Bow
- Lombard39.5 mi E · Broadwater
Sources
Sources
- ghosttowns.com, "Comet": county, roads, climate, best time to visit, remains.
- Wikipedia, "Comet, Montana": coordinates and summary.
- Wikidata Q5151569.
- USGS 3D Elevation Program, elevation at the coordinates.
- USGS The National Map and Historical Topographic Map Collection (public domain).