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Historical Markers and War Memorials in Naples
Portland is the county seat for Cumberland County
Naples is in Cumberland County
Cumberland County (239) ► ADJACENT TO CUMBERLAND COUNTY Androscoggin County (50) ►
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| On Roosevelt Trail (U.S. 302) at Lake House Road, on the right when traveling east on Roosevelt Trail. |
| On Sebago Lake State Park Road 1.9 miles east of U.S. 302, on the left when traveling north. |
Nov. 11, 2026