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Historical Markers in Monarch
Great Falls is the county seat for Cascade County
Monarch is in Cascade County
ADJACENT TO CASCADE COUNTY Judith Basin County (2) ► Lewis and Clark County (182) ►
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| On U.S. 89 1.2 miles south of Missoula Avenue / Hughesville Road, on the right when traveling south. |
| On U.S. 89, on the left when traveling north. |
Nov. 13, 2026