Rock Harbor Lighthouse
Isle Royal, MI. Lake Superior

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ROCK HARBOR LIGHT

Location: MIDDLE ISLAND PASSAGE/LAKE SUPERIOR
Nearest City: HOUGHTON; County: KEWEENAW

Year Station Established: 1855; Year Automated: N/A

Year Existing Historic Tower Constructed: 1855

• Is the Light Operational? NO; Date Deactivated: 1879
• Foundation Materials: STONE
• Construction Materials: BRICK/STONE
• Markings/Patterns: WHITE WITH BLACK LANTERN
• Shape: CYLINDRICAL
• Relationship to Other Structures: ATTACHED
• Tower Height: 50/Height of Focal Plane: 70
• Original Optic: FOURTH ORDER, FRESNEL (1875)
• Present Optic: REMOVED

Is there a Newer Tower? NO

Is there an Existing Fog Signal Building? NO

Is there an Existing Keepers Quarters? YES; Year Constructed: 1855
Number of Stories: 1.5; Architectural Style: ATTACHED TO TOWER
Construction Materials: RUBBLE STONE

Other Structures: NONE

Owner/Manager: NATIONAL PARK SERVICE

Current Use: NATIONAL PARK-- ISLE ROYALE NATIONAL PARK

Open to the Public?YES; SELF-GUIDED TOUR, TOWER OPEN DAILY DURING SUMMERS
Access: CONCESSION BOAT
Public Phone: 906-487-7153

National Register Status: LISTED: ROCK HARBOR LIGHT HOUSE

Documented by HABS/HAER? YES MI-386 (WASO)

IMPORTANT TO COPPER EXPLORATION AND DEVELOPMENT; ABANDONED 1859 TO 1875; KEEPERS TO HOUSE MARITIME EXHIBIT 1994