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Porcupine

Ghost town · Rosebud County, Montana

Forsyth quadrangle, USGS topographic map (1968, 1:24,000)
Forsyth quadrangle, USGS topographic map (1968, 1:24,000) · U.S. Geological Survey, Historical Topographic Map Collection · Public domain

Porcupine is a ghost town in Rosebud County, Montana. It is one of 12 former communities in Rosebud County on the federal names register. That ranks the county 14th among the 55 Montana counties with a vanished settlement on record.

The U.S. Geological Survey lists Porcupine as a historical populated place on the Forsyth topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 46.2897° N, 106.6603° W.

Key facts

USGS quadrangleForsyth
Elevation2,508 ft
Nearest living townForsyth, MT
Distance to it1.6 miles
GNIS feature ID1716771
Coordinates46.28972, -106.66031

Open the location on a map

What's there now

Porcupine is no longer a community in its own right. The nearest living town is Forsyth, MT (population 1,682), about 1.6 miles away in a straight line, and the site sits at roughly 2,508 feet above sea level. Much of the land around former townsites is private; check access before you visit.

Nearby places

Questions

Where is Porcupine?

Porcupine is in Rosebud County, Montana, at 46.2897, -106.6603.

How many ghost towns are in Rosebud County?

Rosebud County, Montana has 12 ghost towns on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.